What was the north's greatest strength at the beginning of the civil war?

What was the first most significant result of the peninsular war

How many battles were confederate victories? (specifically: major battles)

Why was the sixteenth amendment important to woodrow wilson’s efforts to regulate the economy? a) the sixteenth amendment lowered interest rates charged by banks. b) the sixteenth amendment allowed congress to levy an income tax c) the sixteenth amendment lowered tariffs on imported goods d) the sixteenth amendment allowed congress to break up monopolies