What is one of congress's roles in foreign policy?
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a. ratifying treaties
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b. sending troops abroad
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c. collecting intelligence information
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d. negotiating with foreign leaders

I believe your answer is C, if not then A.

Explanation:

norsemen from northern countries had made earlier journeys

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.