Question: What treaty ceded territory to the US extending west to the body of water by the city where the designer of Southeast Library died?

Passages:
Southeast Library's building was designed by master architect Ralph Rapson and originally functioned as a credit union for university and state employees. It opened as a library in 1967. The State Capitol Credit Union building at 1222 Fourth Street Southeast was purchased to be converted into a library on December 29, 1966. It opened as the new Southeast Library on December 26, 1967. Riverside Plaza is a modernist and brutalist apartment complex designed by Ralph Rapson that opened in Minneapolis, Minnesota in 1973. Situated on the edge of downtown Minneapolis in the Cedar-Riverside neighborhood, and next to both the University of Minnesota's West Bank and Augsburg University, the site contains the 39-story McKnight Building, the tallest structure outside of the city's central business district. Initially known as Cedar Square West, exterior shots of the complex were featured on television as the residence of Mary Richards in sixth and seventh seasons of "The Mary Tyler Moore Show". Minneapolis lies on both banks of the Mississippi River, just north of the river's confluence with the Minnesota River, and adjoins Saint Paul, the state's capital. The city is abundantly rich in water, with 13 lakes, wetlands, the Mississippi River, creeks and waterfalls; many connected by parkways in the Chain of Lakes and the Grand Rounds National Scenic Byway. It was once the world's flour milling capital and a hub for timber. The city and surrounding region is the primary business center between Chicago and Seattle. As of 2018, Minneapolis was home to 6 Fortune 500 companies, and the Twin Cities were the fifth-largest hub of major corporate headquarters in the United States. As an integral link to the global economy, Minneapolis is categorized as a global city. In the Treaty of Paris after the Revolution, the British had ceded the lands between the Appalachian Mountains and the Mississippi River to the United States, without consulting the Shawnee, Cherokee, Choctaw and other smaller tribes who lived there. Because many of the tribes had fought as allies of the British, the United States compelled tribal leaders to sign away lands in postwar treaties, and began dividing these lands for settlement. This provoked a war in the Northwest Territory in which the U.S. forces performed poorly; the Battle of the Wabash in 1791 was the most severe defeat ever suffered by the United States at the hands of American Indians. President Washington dispatched a newly trained army to the region, which decisively defeated the Indian confederacy at the Battle of Fallen Timbers in 1794.

Supporting sentences:
Southeast Library's building was designed by master architect Ralph Rapson and originally functioned as a credit union for university and state employees. Riverside Plaza is a modernist and brutalist apartment complex designed by Ralph Rapson that opened in Minneapolis, Minnesota in 1973. Minneapolis lies on both banks of the Mississippi River, just north of the river's confluence with the Minnesota River, and adjoins Saint Paul, the state's capital. In the Treaty of Paris after the Revolution, the British had ceded the lands between the Appalachian Mountains and the Mississippi River to the United States, without consulting the Shawnee, Cherokee, Choctaw and other smaller tribes who lived there.