Choose 2 options that were causes of the collapse of the soviet union in 1991

choose 2 options that were effects of the collapse of the soviet union in 1991

1) The expensive arms race in the USSR became an enormous burden on the struggling economy/Mass demonstrations for democracy put pressure on communist government.

2) Independent republics established democratic reforms and free market economy/The Cold War ended, leaving the United States as the world' sole superpower.

Explanation:

1) The decline of Soviet economy, the technological stagnation and the popular pressure for a more democratic regime due to the deterioration of their life standards, as well as the difficulties of keeping arms race due to low oil prices, led the Soviet Union on the verge of collapse.

2) The independent republics began relations with the United States and other Western countries and introduced Western-like reforms. The dissapearing of the USSR led to the finish of the Cold War, since there was no other superpower capable to deal with the United States in terms of army size, technology and ressources.

explanation:

japan participated in world war i from 1914 to 1918 in an alliance with entente powers and played an important role in securing the sea lanes in the west pacific and indian oceans against the imperial german navy as the member of the allies.

the group i'm selecting: greeks.

a first group of greek immigrants came to the us in the 1850s. the second group came to america starting in the 1890s due to economic opportunities they didn't have back in their home caused by the hardships of ottoman rule. greek immigration was 90% male, many of them expected to work and return to greece after earning enough capital, but ultimately had to remain in the us after the greek genocide.