How did many irish and german immigrants in the early 1800s contribute to the development of unite states?

a. they worked in factories and built roads and canals.
b. they replaced enslaved workers on plantation farms.
c. they provided labor for busy ports and on naval ships.
d. they were forced to moved to lands west of the mississippi.

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d

i'll anser so they can have brainliest (my doubleu key is broken)

answer; lewis henry morgan;

answer; make laws;