What did the einstein-szilard letter warn president roosevelt about in 1939

During world war ii, which battle was the first significant us victory in the pacific?

To encourage railroad companies to build railroads across the west, the government gave them subsidies by select the best answer from the choices provided. a. paying the wages of laborers b. giving them building materials c. providing railroad trains d. providing free land

What was the goal of the united states' invasion at the bay of pigs?