Answer: Gorbachev made reforms in the Soviet Union.
Explanation:
The Revolution of 1989 were part of the revolution that brought about the end of communism. It was caused due to the fact that anti-communist challenged the government of the communist.
Before the revolutions of 1989, Gorbachev made reforms in the Soviet Union. The reform was as a result of the fact that Soviet system was bureaucratic and there was no freedom of speech.
Many people argue that the Cenozoic era should not be called the "Age of Mammals" because there were many other species, such as birds and insects, and many plants were as numerous as mammals were at the time. So they argue the name of the era giving reasons such as these - why should it be named after mammals when there were other animals and birds and plants roaming the Earth as much as they did?
The objectives of new imperialism included accessing exchange courses and crude materials, spreading religious esteem, helping the vulnerable Africans as a piece of "The White Man's Burden", and increasing political predominance over different nations. The Europeans segmented off Africa to the diverse forces, from their the Europeans attacked the nations, colonized, subjugated the locals and constrained them to cultivate the crude products.