What seems to be the purpose of this document that was written by william penn?

I'm assuming you mean the one that goes a bit like this, "II. The air is sweet and clear Your kind cordial friend, William Penn". This document was a letter from William Penn, proprietary and governor of Pennsylvania in America, to the committee of the free society of traders of that province, residing in London. The purpose of this letter was likely to encourage people to move to Pennsylvania.

to encourage people to move to Pennsylvania

Explanation:

lee and grant, both of whom held the highest rank in their respective armies, had known each other slightly during the mexican-american war (1846-48) and began their dialogue by exchanging awkward personal inquiries. characteristically, grant had arrived in his mud-splattered field uniform while lee had turned out in full dress attire, complete with sash and sword.

explanation:

because the earth is a round globe. but that is just what they tell us it is flat and those dudes actually where lying they sailed east.