99% of Egypt’s population lives on only 3% of the country's land

Journey stations were established throughout the mongol empire every miles.

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory

Explain the changes that took place in the field of agriculture in india due to the green revolution in the late 1960.