Why did hannah johnson write to president lincoln?

To make sure African Americans are treated fairly, to thank him for the emancipation proclamation, to encourage him to stand by the emancipation proclamation, to remind him of his responsibilities

Explanation:

do u have choices? ? or no?

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.