I think Roger Williams received help from the native Americans.
Ulysses S. GrantGeneral Ulysses S. Grant led the Union Army during the later years of the civil war, and later became the President of The United States.
On beaches. beaches have sand and other rocks that make up conglomerate :).
The way that the 1862 Homestead Act helped pull immigrants to the United States is by providing immigrants with inexpensive farmland.
Many immigrants were drawn to the fact that they could own their own farmland, and not have to pay a lot for them. This is why a lot of these immigrants moved to the US.