Can u pls help me on those two questions please and thank you. god bleed you

During the era of european expansion, what was the biggest reason for spain’s push for exploration?

Which country was an ally of the united states during world war ii? germany china japan italy

Which of the following describes an effect of world war ll on the united states economy a. automobile companies produced a record number of cars b. many factories had to expand to produce military equipment c. the airplane industry suffered as the allies began using airplanes in combat d.cities with shipyards declined because so many ships had been sent overseas.