What was the major factor that enabled western europe to dominate large parts of asia and africa in the 19th and 20th centuries?

This was an order issued during the civil war by president lincoln ending slavery in the confederate states

What event caused france and napoleon to want to get rid of its louisiana territory in north america? a) civil war b) seven years war c) slave revolt in haiti d) the french and indian war

Which two objectives does the international monetary fund (imf) address? a -creative stability b-allowing fluctuations in currency exchangec-reducing poverty in developing countriesd- segrating nations as industrial and agriculture economicse- promoting protectionism in trade