If anyone could me with this that would be great

What project establish leonardo da vincis reputation as a creative and talented engineer

Washington said that the united states would be "friendly and impartial" in regard to foreign conflict. what was his reason behind this statement? a jefferson and washington had determined the u.s. was too weak to wage war. b the u.s. had a treaty with both england and france, and was thus required to remain neutral. c france asked for the united states to stay out of the war, due to trade relationships. d a special envoy from england asked for strict neutrality on behalf of the united states.

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?