Why did students gather in tiananmen square on june 4, 1989? on june 4, 1989, students gathered in tiananmen square to mourn the death of the pro-reform leader

What did president roosevelt do to aid panama in becoming an independent country? a. he negotiated a peace treaty with nicaragua to purchase the land. b. he invaded colombia to establish a us base for defense. c. he placed warships around panama to block sea lanes. d. he used dollar diplomacy to block imports to nicaragua.