Question: An originator of the Anti-Corn Law also originated an agreement between what two countries in 1860?

Context paragraphs:
James Kershaw: James Kershaw (1795–1864) was a British cotton mill owner and Liberal MP, associated with the Anti-Corn Law League.

Anti-Corn Law League: The Anti-Corn Law League was a successful political movement in Great Britain aimed at the abolition of the unpopular Corn Laws, which protected landowners’ interests by levying taxes on imported wheat, thus raising the price of bread at a time when factory-owners were trying to cut wages.

Congress of German Economists: The Congress of German Economists (German: "Volkswirtschaftliche Kongress" or "Kongress deutscher Volkswirte") was an association of German economists founded in Gotha, in 1858.  The model for the association was the British Anti-Corn Law League, founded in 1838 by Richard Cobden.

Manchester Liberalism: Manchester Liberalism, Manchester School, Manchester Capitalism, and Manchesterism are terms for the political, economic, and social movements of the 19th century that originated in Manchester, England.  Led by Richard Cobden and John Bright, it won a wide hearing for its argument that free trade would lead to a more equitable society, making essential products available to all.  Its most famous activity was the Anti-Corn Law League that called for repeal of the Corn Laws that kept food prices high.  It expounded the social and economic implications of free trade and "laissez-faire".  The Manchester School took the theories of economic liberalism advocated by classical economists such as Adam Smith and made them the basis for government policy.  The School also promoted pacifism, anti-slavery, freedom of the press, and separation of church and state.

Richard Cobden: Richard Cobden (3 June 1804 – 2 April 1865) was an English manufacturer and Radical and Liberal statesman, associated with two major free trade campaigns, the Anti-Corn Law League and the Cobden–Chevalier Treaty.

William Cooke Taylor: William Cooke Taylor (1800–1849) was an Irish writer, known as a journalist, historian and Anti-Corn Law propagandist.

New Mexico Wilderness Act of 1980: New Mexico Wilderness Act of 1980, Public Law 96-550, is a U.S. federal law that authorized the establishment of a number of designated Wilderness Areas on National Forest land in New Mexico.  The law also added additional lands to four existing Wilderness Areas in New Mexico, and named several Forest areas for study as potential Wilderness Areas.  The law also created two new National Park Service units, Chaco Culture National Historical Park and Salinas National Monument, from existing NPS lands.  By means of this law approximately 400,000 acres of forest land were designated as Wilderness Areas, as described by the Wilderness Act of 1964, and approximately 75,000 additional acres were designated as Wilderness Study Areas for possible future inclusion in the Wilderness program.

Henry Ashworth (nonconformist): Henry Ashworth (4 September 1794 – 17 May 1880) was an English cotton manufacturer, friend of Richard Cobden, and vigorous supporter of the Anti-Corn Law League.

Brazil–United States Treaty: The Brazil–United States Treaty was a military assistance agreement signed in 1952 in Rio de Janeiro between the two countries, with the goal of defending the Western Hemisphere.  Military relations between the United States and Brazil date back to World War II, when Brazil supported the Allied effort in the invasion of Italy in 1942.  Brazil provided troops for the invasion.  On January 3, 1952, The Brazilian government issued decree 30363 establishing new government regulations.  These new regulations allowed for the return of foreign capital that was invested in Brazil and profit remittances on that capital.  Shortly after, representatives from the United States and representatives from Brazil started to negotiate a bilateral military assistance agreement in Rio de Janeiro on January 3, 1952.  The document outlining the agreement between the two countries would be signed on March 15, 1952.  The agreement went into effect on May 19, 1952.  During the time of the negotiations, Major General Charles L. Mullins, Jr. negotiated a separate military plan with the Brazilian Government.  The plan was approved on March 14, 1952 by the Secretary of Defense Lovett.  In a private ceremony on March 15, 1952 United States Major General Mullins and Brazilian General Monteiro signed the military plan that outlined a common defense between the two nations.  The agreement allowed major weapons and training by the United States military to the Brazilian military.  This tenuous alliance governed the two nations bilateral ties during the events of the Cold War.  However, the alliance was short lived, and suffered several major blows between the two nations during the military coup in Brazil in 1964.  During this time the United States still provided military support and training to the side that supported the United States.

Cobden–Chevalier Treaty: The Cobden–Chevalier Treaty was an Anglo-French free trade agreement signed between the United Kingdom and France on 23 January 1860.  It is named after the main British and French originators of the treaty, Richard Cobden MP and Michel Chevalier.

Supporting paragraphs: Cobden–Chevalier Treaty Richard Cobden
Answer: United Kingdom and France