Why were 90% of the wolves killed in the late 1800s?

Which impact did the civil war have on the spread of disease in texas a. disease decreased bc people left the area to fight in the war b. disease increased bc medicine was in short supply. c. disease increased bc many new diseases were brought to the area d. disease decreased bc confederate doctors distribute new medicines to local communities

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.

Wha industry did the refrigerated rail car impact the most