Does it have choices or do you have to write a description?
Well there are many, low in food. People need homes, People need water, warmth and a hole lot more.
Hope this helps!
Answer:
Gorbachev
Explanation:
Gorbachev and his team of economic advisors then introduced more fundamental reforms, which became known as perestroika (restructuring).
Answer:
Because of Trade and Technology
Explanation:
You have no power politically if you have no influence. It's like trying to keep the law without the police. America created the first submarines, iron-clad ships, and had a powerful navy before but they had to take it apart since they ran out of money. They were very powerful in the 20th century and became a world super power because of trade with the Allies in the first world war. Using the money, they improved the military and technology. That is why the USA has so much influence.
The major challenges to historical research revolve around the problems of sources, knowledge, explanation, objectivity, choice of subject, and the peculiar problems of contemporary history. Sources The problem of sources is a serious challenge to the historian in the task of reconstructing the past.