How did the soviet launch of the first artificial satellite lead to americans landing on the moon?

Which event occurred in 1943 and to make the allied victory possible choose all answers that are correct

Which of the following best describes the geography of oklahoma? a. extreme elevation differences b. varied ecological regions c. limited, mountainous geography d. flat rolling hills to below sea level areas

What requirements were placed on germany in the treaty of versailles? (choose 3) question 2 options: give up 1 million square miles of land cease the development of the nuclear bomb limit the size of its armed forces pay reparations to other countries export food to countries most damaged by the war claim shared responsibility for the war with the united states