How did the age discovery change maps

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

How did chinese culture change during the warning stated period

Why did the united states become involved in the soviet-afghan war? the united states wanted access to the afghan oil fields. the united states wanted to retaliate against the soviet boycott of the 1984 olympics in los angeles. representative charlie wilson convinced congress to fund afghan resistance to soviet influence. president ronald reagan wanted to force the soviets to withdraw from afghanistan.