Which answer best explains the contributions of African-Americans during the Revolutionary War? African-Americans only fought for the British side during the Revolutionary War. The British promised the slaves their freedom at the end of the war.
African-Americans fought for both the British and American sides during the Revolutionary War. Both sides offered them freedom or money for fighting.
African-Americans started the war fighting for the British, but switched to support the American troops after being promised money and their freedom.
African-Americans only fought for the American side during the Revolutionary War. The Americans promised the slaves their freedom at the end of the war.

by 1890, the united states had by far the world's most productive economy. american industry produced twice as much as its closest competitor--britain. but the united states was not a great military or diplomatic power. its army numbered less than 30,000 troops, and its navy had only about 10,000 seamen. britain's army was five times the size of its american counterpart, and its navy was ten times bigger. the united states' military was small because the country was situated between two large oceans and was surrounded by weak or friendly nations. it faced no serious military threats and had little interest in asserting military power overseas.

a

explanation:

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b. major john c. frémont led a rebellion called the bear flag revolt.

explanation:

during the bear flag revolt, from june to july 1846, a small group of american settlers in california rebelled against the mexican government and proclaimed california an independent republic. the republic was short-lived because soon after the bear flag was raised, the u.s. military began occupying california, which went on to join the union in 1850. the bear flag became the official state flag in 1911.