Answer:
Texas, which had been settled by colonies of Americans, fought a successful war for independence from Mexico in 1836. Mexico refused to recognize the independence and warned that annexation to the United States meant war.
<span>Option B. The king demanded that the colonies swear allegiance to him as part of the actions taken by the first Continental Congress. This was an expression of the British against the organisms that formed this congress for differences of ideals and objectives.</span>
C- checks and balances was made so that no one branch could have too much power
It would strengthen the navy and enable the U.S to guard its colonies. I believe the building of the Panama Canal was in time of Imperialism (not 100% sure), where countries were trying to take over smaller or weaker countries to accumulate more power.
The answer is D, both civilizations declined under circumstances that are still not entirely clear to historians
