Better jobs & opportunities.
A push factor would be like famine or disease in the country, etc.
As Elizabeth is located in the Atlantic Ocean, you would have to start there. You travel down around Florida to New Orleans to then take the Mississippi River. As you travel north, you go west when you get to St. Louis, along the Missouri River.
The Yellowstone river joins the Missouri river just across the North Dakota state line.
I don't know, what are your choices?
Answer:plants were verry useful
Explanation: