Correct answer choices are :
<h2>A) To keep US citizens safe</h2><h2>D) To keep nuclear weapons away from terrorists</h2><h2>E) To make sure the United States is prosperous</h2><h2>F) To restore American leadership aboard</h2><h2 /><h3>Explanation:</h3><h3 />
America's foreign policy today comprises a broad range of functions and issues. It involves building and managing diplomatic relations with other countries and international organizations such as the United Nations and the Organization of American States. Foreign policy goals involve the following, protecting the national security of the United States. Advancing world peace and a defended global environment. Maintaining a balance of power among nations.
helped the Aztec farm more productive - chinampas
helped the Inca travel long distances and communicate with their neighbors - rope bridges
helped the Maya view astronomical phenomena such as eclipses with the naked eye - pyramaid at Chichen Itza
The treaty of Oregon signed during the presidency of Polk was between the Great Britain and The USA. its aim was to settle dispute over the Oregon country which had long been occupied by both countries.
The USA received most of the lands of the county over time, as the negotiated treaty favored the USA more than the British,resulting often to skirmishes such as the pig war.
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