Think about how railroads changed and developed.

In 1819, what did the united states obtain from spain for $5 million?

Enlightenment thinkers most contributed to the development of whichpolitical idea? a. religious leaders should play the largest role in establishing asociety's laws.b. democratic governments have the responsibility to protect humanrights.c. criminals must be punished harshly if a society is to maintainorder.d. written constitutions place unnecessary restrictions ongovernments' powers.

Should the united states have continued to fight in the vietnam war after 1968?