Which is the best example of a social motive behind america's increasing expansionism and imperialism in the years leading up to world war i?

The correct answer is B) Americans believed that their civilization was superior to those of Latin America, Asia, Africa, and the Pacific Islands.

The other options of the question were A) America felt pressure to secure foreign markets and territories before they could be claimed by European nations. C) imperialism opened markets for American agricultural and industrial products, easing economic tensions at home. D) America sought to assert itself as a naval power in the early 20th century and desired naval bases in the Caribbean and the Pacific.

The BEST example of a social motive behind America's increasing expansionism and imperialism in the years leading up to World War I was that Americans believed that their civilization was superior to those of Latin America, Asia, Africa, and the Pacific Islands.

That sentiment of superiority and past ideas of the Manifested Destiny or the Monroe Doctrine maintained imperialistic policies in US politics and many US citizens. By that time and after the Spanish-American War, the US already had control of other territories outside the US such as the Philippines, Guam, and Puerto Rico.

from the conditions of the working class in england by friedrich engels,the main idea is :

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.