During george washington’s presidency, the authority of the federal government was strengthened by the a. elimination of political parties b. suppression of the whiskey rebellion c. formation of a military alliance with england d. establishment of a national language

A. elimination of political parties (or B. suppression of the Whiskey Rebellion)

Explanation:

Getting rid of and silencing the other political parties looked as if the federal government was the strongest at the moment of all parties and encouraged colonists to look towards them only.

the national congress's powers over the states were specific and definite: it had the sole power to negotiate treaties, declare war, and make peace. all powers not granted to congress were reserved for state governments. congress had no power to levy taxes, for example.