Answer:
The Mexican-American War (1846-1848) marked the first U.S. armed conflict ... Texas gained its independence from Mexico in 1836. ... border raids and warning that any attempt at annexation would lead to war. ... Polk told the U.S. Congress that the “cup of forbearance has been exhausted, even ...Explanation:
The Pyramid of Djoser is the first Egyptian pyramid and despite claims of older pyramids being found in recent years, it is the oldest confirmed pyramid in the world.
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It popularized trade and competition. For example: Portugal was the main trader of spices.
