Why will it be easier for the United States and Western Europe to deal with climate change than countries in Africa?

Because they are more devoloped countries

Explanation:

They are more developed because they have more money and a better economy. Whereas some countries in Africa do not have much of an economy. Also, Africa will be warmer due to it being nearer to the equator and Western Europe and the US, have higher latitude away from the equator.

an angle + its complement = 90 degrees