<span> Many </span>immigrants came<span> to </span>America<span> seeking greater economic opportunity, while some, such as the Pilgrims in the early 1600s, arrived in search of religious freedom.</span>
I would say Isaac Newton because his branch was basically physics. He was concerned with matter and motion. Also measuring mass of the sun and planets.
They felt that we were oppressing the indigenious peoples of conquered lands (which we were).