B, two great world powrs U.S.S.R., and the United States of America.
Truman did this to test out atomic bombs and see what affect they had on people. The affects were devastating killing a lot of people for no reason (the Japanese were about to surrender anyway). So Truman killed tons of people for the sake of “science.” This is revolting the things that America has done.
In a federal system there is centralized authority, while in a confederal system power is distributed equally among the states.
Answer:Bloody Sunday/Workers' strikes/Unions.
Explanation:
Bloody Sunday.
On January 9, 1905, approximately 140,000 people participated in the protests. There was an open fire on the protesters. According to some estimates, between 800 and 1000 people were killed. Among those killed were children and bystanders. Bloody Sunday is the birth of the first Russian revolution.
Workers' strikes.
Following the events of January 9, strikes spread across the country. The peasants rose against the authorities and began to destroy the houses of their landlords. University professors and teachers joined them. All social classes rose against the police.
Unions.
Because the authorities were rigid about attitudes, people organized unions. On May, 14 different associations joined this association. The unions were led by intellectuals, among whom Pavel Milyukov stood out. Over time, these alliances/unions began to form throughout Russia.