What was the approximate percentage change in air pollution between 1970 and 1995?

Why did roosevelt support a europe first strategy even though it had been japan that had first attacked the us

Which of the following statements about the economic consequences of the civil war is not accurate. a. inflation caused prices to rise by 80% in the north. b. because southern farms cannot process enough food for everyone in the south the union navy allowed food shipments from britain. c. to pay for all of the food supplies and arrangements that were necessary for the union army congress instituted an income tax. d. business boomed in the north as factories and farms always had a market for their products.

What was the “u-2 incident” and how did it affect u.s./soviet relations in 1960?