How has alexander graham bell invention of the telephone change over time?

Is the idea of containment relevant to american forge and policy today why or why not

What happened as agriculture became entrenched in the south ?

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