C and D are the best answers out of the bunch
I think one about the significant issues that Japan confronts these days is not overpopulation. The Japanese populace has been declining over the previous decade or somewhere in the vicinity. The issue is not the quantity of individuals but rather the make-up of that populace.
The rate of Japanese individuals resigning or drawing near to retirement age has been expanding for quite a long time. Nowadays, there are more "old" individuals in Japan than there are "youthful" individuals. Japanese ladies are holding up longer to get hitched and couples simply are having the same number of youngsters as they did decades before.
This has put a tremendous strain on the Social Welfare framework on the grounds that there are essentially insufficient Japanese youngsters paying annuity premiums, charges or whatever to take care of the wellbeing expense and benefits advantages of every one of the individuals who either as of now have or will in the blink of an eye be resigning.
Taxation without representation means that the colonists believed that they should not be taxed by a government, if they were not even allowed to hold office in said government. The colonists considered this a problem because even though the French-Indian war had put a dent in British economy, the colonists were not even allowed to decide whether the war should happen in the first place. After all it was their homeland. In addition the colonists, not being allowed to hold office, could not propose any modifications to the taxes.
The United States and the Soviet Union were the two competing powers of the Cold War
Jews, Muslims and Catholics.
Hope this helps.