Answer:
But now The Papers of Abraham Lincoln, through research by associate editor Stacy Pratt McDermott, has found that the letter was written by Andrew Johnston, a newspaper editor, lawyer and fan of Lincoln's poetry
Explanation:
Answer:
the awnser is b) to convince people of the importance and benefits of its program
He didnt have the tools, supplies, or time to go farther inland. Plus natives were a huge concern, it was a safer decision for him to stay on the coast so he could retreat to his ship if he needed to.