Hunters gatherers were nomadic. That means that when they would hunt enough and gather enough so that there's no more animals to hunt or food to gather, they would move to a different zone. Unlike them, agricultural communities made their own food so they could settle down and not worry about having to move after a while. This enabled them to have surplus of food and to trade with others and develop more.
The correct answer is Option A) Perestroika
The picture of a McDonald's in Russia is one the finest examples of Mikhail Gorbachev's policy of
Perestroika.
Perestroika was a reformist political movement within the Communist Party of the Soviet Union. Literally translated as 'Restructuring' Mikhail Gorbachev and many of his colleagues believed that the Soviet Union required urgent social and economic reforms to grow and strengthen the country.
It led to the opening up of Russia, more economic freedom and even a move towards democracy.
Historians cite the policy as one the leading causes for the fall of the Soviet Union.
There are of course many functions of the executive branch of government in the United States, but perhaps the most important is act as a check on Congress.
New immigrants - coming from poland italy russia ( southern and eastern europe)