What does the term "floating population" mean? people who live on islands

illegal migrant laborers

workers who permanently move to the city

laborers who travel to factories by riverboat

2. a land bridge connected asia and north america thousands of years ago.

4. crossing the land bridge would have been simple for the first migrants.

5. people might have crossed a land bridge while hunting animals.

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws

. to apply pressure and persuasion to keep party members in the chamber in line.