What has made the united states so attractive to peoples from other nations over the years?

abraham lincoln was the president of usa and he had asked the audience to make a pledge on equality.

his pledge was:

“it is my earnest desire to know the will of the providence.”

lincoln also had hatred for people who condoned and practiced slavery and so he pledged:

""and if i can learnt what it is i can do it"" this is another pledge by abraham to reassure the congregation on how to deal with the providence will.

explanation:

hope this !

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast