What happened to the population of cities in the period between the civil war and the 1920's

What potential crisis did eleanor roosevelt resolve on behalf of president roosevelt

The viceroy of spain asked that coronado's expadition be cristian and apostolic and not a buchery,what does that mean and did cornado follow his orders

How many senators are there from each state? a. two c. one b. three d. the number depends on the state’s population