Which might result from a new video game system being released?

Which of the islamic empires (ottomans, mughals, safavids) were the most influential and why?

What was going on with south asia before europeans came ?

What event started the space race and made americans feel their security was threatened a.) alan shepard's suborbital flight. b.) the launch of sputnik c.) the launch of explorer d.) the cuban missle crisis