18. Before 1890, most immigrants to the United States came from a. Northern and Western Europe
b. Southern and Eastern Europe
C. Eastern and Northern Asia
d. Southem and Western Asia

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