Why did the US boycott the summer Olympics in 1980?

What does the author most likely say the time for negotiating with britain was over

What is one example of trench warfare ?

1. what was the result of growing nationalism and pan-africanism on european-african relations? africans were encouraged to seek independence from europe. european colonialism grew and strengthened in africa. the change of power from european to african rule went smoothly. africans believed they could live peacefully with europeans.