About how many american troops served in combat during ww1

Match each model with its name and the name of the scientist who created it.

What is a firm that specializes in buying and selling stocks for individual investors called?

Why was the city of berlin borough pool to soviet influence? check all boxes that apply1. the allies had promised it to the soviets after world war ii 2. it was located within the soviet zone of germany 3.the soviets had lost their own capital city in the war