How was written communication improved in the late 1800's

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

Approximately how many americans, from both the north and the south, were killed in battle during the civil war?

The french and the dutch establish colonies in north america to, a. establish sugar plantations. b. spread catholicism to the native americans. c. extract gold and silver from the aztec empire. d. trade with native americans for furs.