4, because to Maintain international peace and security; Develop friendly relations among nations; Achieve international cooperation in solving international problems
The United States didn't want to stay behind, so it increased funding for its own space program in order to be more productive and launch more satellites.<span />
The spread of the Italian innovations and art was spraeding to Europe (THIS IS WHAT SET OFF THE NORTHERN RENAISSANCE, IT WAS LIKE A CONTAGIOUS DISEASE OF INNOVATION)
The cities of italy also grew and expanded in size and in power as well