The correct answer is military conquest
Answer:
Gorbachev's decision to allow elections with a multi-party system and create a presidency for the Soviet Union began a slow process of democratization that eventually destabilized Communist control and contributed to the collapse of the Soviet Union. Hope this helped :))
Answer: Islam came from Mecca and Medina at the start of the 7th century CE, approximately 600 years after the founding of Christianity. In the Middle East.
1: Before WW1 Italy was part of an alliance with Germany and Austria-Hungary, yet it didn't join them when the war started and it even joined the Allied side later during the war!
2: one month after Italy surrendered to Allied forces, it declared war on Nazi Germany, its onetime Axis powers partner. Italy was led into the war by Benito Mussolini, the fascist prime minister who had formed an alliance with Nazi Germany in 1936!