What was the impact (both short and long term) of imperialism on africa?

Which underlying american value is being expressed by the passage of anti-discrimination laws? 1.equality 2.patriotism 3.individualism 4.conformity

Iwill be giving 15 points to whoever answers the concept of checks and balances means that each branch of governmenta. has its own powers and responsibilitiesb. is clearly described in articles of the constitutionc. has the ability to correct the other branches in case of an errord. is set up so that in case of constitutional crisis, the governement will continue to operate

How was louis and clark expedition event unfolding and what was going on