Answer: US forced the opening of Japan by signing the treaty of Kanagawa, a factor that influenced the acceleration of the disintegration of the feudal system.
Japan only opened its economy to the west after a long Meiji dynasty, in which it took measures for the industrialization and modernization of the country, such as the creation of infrastructure, such as railroads and ports, and the installation of production goods.
The racial composition of a district could not be the predominant factor when redistricting.
The correct answer is A) Carter’s failure to get the hostages back ruined his re-election chance in 1980
Carter couldn't solve it and his attempts to do it failed. This, combined with various other problems caused him to lose the election to Reagan by a landslide. The hostages were released when Reagan became the president and could return to the United States. This is why he only stayed as president for a single term.
The fourth one is correct