Answer is: Bering land bridge
Spain's motivation to help the American colonists was driven by a desire to regain the land it had lost to Britain and, with other European powers, make incremental gains against British possessions in other parts of the world. ... In April 1779, Spain committed to helping the Americans.
The answer is Commerce and taxing
Under the Articles of Confederation, Congress was unable to improve the economy because it did not have the power to tax the states. This meant it was practically impossible for the United States to repay its war debts.
It <span>resulted in a major shift in the federal government's role in </span>air<span> pollution control.</span>