Zero degrees longitude is called a. the absolute b. the north pole c. the prime meridian d. the equator

Between the world wars eisenhower's presidency the 1960s what is the organizing principle of this list?

What were the 2 main elements as a result of the treaty?

Look at the map of cities in the united states at the turn of the twentish century what impact did railroads have on cities across the united states at the turn of the twentish century