Which is the most complete expo of why people immigrated to the united states in the late 1800s and early 1900s

Match each model with its name and the name of the scientist who created it.

"if i have seen farther than others," said newton, "it is because i have stood on the shoulders of giants." who were the giants to whom newton was referring? could this be said of any scientific accomplishment? explain.

The roman empire created the worlds first