Building techniques improved, iron became more common, and hydraulics were used to dig riverbeds deeper. So less floods happened that destroyed farms and endangered lives.
<span>A) quieting radicals who wanted to secede after the Compromise of 1850.</span>
Ellis Island was the hub for millions of immigrants coming into the United States. Ellis Island functioned as the the first stop for immigrants coming into the United States from 1892 until 1954. Ellis Island now serves as a museum of the long immigrant history of the United States.
