US leader of Siege of Vicksburg

Why did the outbreak of world war 2 create a need for new military bases across the country?

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))

What challenges did the united states face during the great depression? check all that apply. high debt high wages high unemployment a decline in the value of money and goods increased job stability failures of businesses and banks