They wanted to show that they had control over the territory where they set up blockades that isolated the West as act of strength on their part.
They spent the winter of 1777-78 in Valley Forge
I think the answer you may be looking for is he invented the printing press. His most famous accomplishment is the Gutenberg Bible. He is known as the father of printing. However, if you research it, you'll find different results, such as the Chinese beat Gutenberg by a full thousand years in that they invented the first printing press.
