The correct answer is B) the lack of availability or lack of use of contraceptives.
<em>The world’s population is concentrated in certain countries like China most likely because of the lack of availability or lack of use of contraceptives.
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There are many countries, most of the underdeveloped countries, that lack of a sexual education program in school. The government also does not have sexual education campaigns for families and many people do not use a contraceptive or condom to control natality. That is why certain countries have overpopulation in their territories. That is the case of China or India.
I'm pretty sure (1.) is A, and I know for a fact that (3.) is D because slavery was a regular practice between quarreling tribes. I have no clue what (2.) is. Best of luck.
B, there was fear and mistrust between the Western Allies and the Soviet Union because the Soviets were an influential and expanding communist power
The Great Depression was the worsteconomic crisis in U.S. history. From 1931 to 1940 unemployment was always in double digits. ... Those war jobs seemingly took care of the 17 million unemployed in 1939. Most historians have therefore cited the massive spending during wartime as the event that ended the Great Depression
The son of her marriage to Edmund Tudor mounted the throne as Henry VII. The Tudor line was one of the most vigorous produced by England. Their greatest achievement was to rally the forces of the English people under a well-organised monarchy so that England was able to take its place a strong national state.