Why did the fight over busing become so violent in boston in the mid-1970s? a. boston was widely understood to have the best public school system in the country. b. in boston, the racial divisions were between african-americans and puerto ricans as well as whites. c. the african-american community in boston consisted only of very recent migrants from the south. d. boston’s tightly knit irish-american community in south boston fought integration violently. e. boston’s politicians called on local residents to fight the busing order by all means necessary.

d. Boston’s tightly knit Irish-American community in South Boston fought integration violently.

Explanation:

                        Boston's politics changed by the end of the World War II. Also by then the neighborhoods of Boston started to lose their ethnic identities. The Irish Americans living in Boston acknowledged with alarm the news reports on the "Troubles" started in Northern Ireland.

                      Most of the Irish American living in Boston involved in the bushing controversy in the year 1970.

Thus the answer is

d. Boston’s tightly knit Irish-American community in South Boston fought integration violently.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

answer; ///he could not explain why the continents drifted;