Answer
Mesopotamia
Explanation
Mesopotamia is a region between the two rivers Tigris and Euphrates in western Asia. They depended on annual flooding to produce a constant surplus of food because the floods brought silt which was very fertile to the lands and it contained the minerals required by the soil and the nutrients which helps the plants to be more productive.
Also in Egypt floods along the river Nile helped farmers in good production of plants because it carried black soil to their farms which was very fertile.
The part of China that Japan invaded in 1931 was known as "Manchuria," and they did this mostly in order to gain precious natural resources that they greatly lacked.
Answer:The widespread use of machine guns and rapid-firing artillery pieces on the Western Front meant that any exposed soldier was vulnerable. Protection from enemy fire could only be achieved by digging into the earth. Assaults were carried out across "No Man's Land" between the opposing trenches.
Answer:After World War II, the Soviet Union extended its control into Eastern Europe. It took over the governments in Albania, Bulgaria, Czechoslovakia, Hungary, East Germany, Poland, Romania and Yugoslavia. Only Greece and occupied Austria remained free.
Explanation: