What is the iron curtain?

1.  the Romanian revolution was a period of violent civil unrest in Romania during December 1989 it over through the communist party and freed the country of communist rule in Romania

2. Gorbachev appointed as Communist Party General Secretary: Gorbachevian used perestroika to kick start the 1980s economy but the suddenness of these reforms caused instability both inside and out of the soviet union and would contribute to the collapse of the USSR in 1991

3. fall of berlin wall : the instability of the new reforms that Gorbachev instilled in the economy lead to the fall of the berlin wall and Russia losing their grip on eastern Europe

Summary:

I feel Romania gaining independence from communism was the start of Russia losing their grip on Eastern Europe and Gorbachen used Perestroika to kick start the Russian economy which caused instability in the economy which would cause the fall of the wall.

Explanation:

honestly it just comes down to the

when studying cause and effect, historians usually group the causes into different categories. for example, cultural causes reflect how a society’s literature and art convey the way the society saw itself in relation to the rest of the world. another resource that historians use to understand society is pop culture, which tells them the trends and ideas that are preferred by the common people. when studying cause and effect, it’s important to remember multiple causation, or the idea that an effect could have several causes and vice versa.  

the correct option is “cultural causes” since art and literature are related to the culture of a place. culture is determined by literature, art, music.

the correct option is “pop culture” since it reflects the likes and ideas of common people whereas the rest of the options do not focus on common people.  

the correct option is “multiple causation” since it refers to the idea that events are caused by multiple reasons, not just a single one.