What is the main reason to do research before a group discussion?

The divide and rule policy employed by the english was developed by the

Drag each label to the correct location in the table.match each event with the territory conquered by alexander the great.

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