What is the 2nd largest country in the world (I'm dumb) ;-; a) Russia b) China c) Canada

What is the main idea of this excerpt? 1.1.3

Explain how social darwinism impact imperialism.

Which factor best suggests a cause for the urban problems shown in this table? (3 points) increasing discriminatory housing practices shifting population density gradients over time declining urban renewal efforts by city governments declining basic employment sector in industrial cities increasing gentrification efforts in the inner cities