<span>Leonardo da Vinci is the Renaissance man responsible for the ornithopter. The ornithopter is a type of aircraft whose wings flap, causing it to fly. This format mimics the natural motion of animals that fly (like bats and birds). </span>
Unity was brought mainly by the decades-long process of setting up and expanding the European Union in the aftermath of WW 2; also the disappearance of the Iron Curtain in 1989 was a major factor in uniting Europe.
Major disruptive factors were of course the two World Wars, and before 1989, the existence of a Communist-dominated Eastern Europe versus Western Europe.
A similarity between both was that they worked extremely hard, and sacrificed much to maintain their farms.
I hope this helps!
Good day to you.
-Niko
<span>Thomas Jefferson, Aaron Burr the Election of 1800 </span>
Answer:
A.) preside over the Senate
Explanation:
