<span>Influenza, smallpox, measles, and typhus fever</span>
<span>During the late 19th century and early 20th century, many of the immigrants were from Ireland, Italy, Poland and Sweden. Some of these immigrants were dislocated Jews, and some had arrived even earlier from China. These people came to the United States with the goal of attaining a better and more prosperous life.</span>
The "New Immigration" to the United States in the late-nineteenth century refers to the increased numbers of people arriving from Southern Europe.
The answer is the North Vietnamese took over the South Vietnam spreading communism Southward and this proved the domino theory (if one country come under the influence of communism, the surrounding countries would follow).
3 main reasons for imperialism:
raw materials:caused imperialism because nations wanted to gain raw materials for their newly developed factories
manufactured goods:caused imperialism because nations wanted to gain markets to sell their goods
white man's burden:caused imperialism because nations felt it was their duty to "civilize" the nations in Africa and Asia
Reasons against imperialism:
hypocrisy, America claims government to be chosen by the people
America will now be involved in Asian conflicts