Need someone to check my answers please!

The irish and germans of the 1840's were part of the new immigration. true or false

Which application of a new technology can be attributed to an invention of thomas edison?

Determine whether the following items describe the ideals of the union or the confederacy. supported slavery supported high tariffs believed states should be able to nullify federal laws upheld the supremacy of federal laws supported low tariffs as a way to promote trade wanted to abolish slavery