What did augusta ada lovelace invent?

Which of these belongs to the united states after the spanish american war ?

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

How voting rights have changed since the end of the civil war