Latin American countries reacted differently over the Snowden issue reflecting their different policies towards the United States. Regional countries like Bolivia，Ecuador，Nicaragua and Venezuela are strongly critical of the United States and usually take a hard line handling their relations with it. The Obama government announced the end of the Monroe Doctrine，representing that it wants to influence the region through soft power instead of resorting to hard power. The recent integration process in the region was featured by fragmentation. The Pacific Alliance gained rapid development while the Southern Common Market fell into stagnation. Russia，Japan and the EU were increasing their presence in the region.