However, the spread of such idea was mainly forbidden in the Spanish territories, as well as the traffic in related books or their unauthorized possession. Such blockades started when Spain declared war on France after the execution of Louis XVI, but remained after the peace treaty of 1796. Nevertheless, the events of 1789 and the statements of the French Revolution spread around Spain despite the efforts to keep them at bay. Even more, the National Convention declared that France would give shelter and aid to all populations aiming to become free, and made many plans to disrupt the power of Spain over their overseas colonies. Many enlightened Criollos came into contact with those authors and their works during university studies. such as Manuel Belgrano in Spain or Mariano Moreno, Juan José Castelli or Bernardo Monteagudo at the American university in Chuquisaca. Books from the US also found their way into the Spanish colonies through Caracas, due to the closeness of Venezuela to the United States and West Indies.