Pan-Africanism is a universal logical movement which aims to inspire and reinforce bonds of camaraderie and harmony between all African citizens. Basically, a communal destiny and fortune go back to the Atlantic Slave Trade, the movement which extending beyond continental Africans, with a significant sustenance base among the African diaspora in the Caribbean, Latin America, and the United States. It is based on the confidence that union is vivacious to social, economic, and the progress in the politics that aims to unite and elevate people of African descent. The African Unity Organization which is now the African Union was fixed in 1963 to defend and protect the control and territorial honesty and unity of its Member States and to encourage global relations within the structure of the United Nations. That's why African countries like Kenya and Nigerian obtain independence and nationalism.
No person except a natural born citizen, or a citizen of the United States, at the time of the adoption of this Constitution, shall be eligible to the office of President; neither shall any person be eligible to that office who shall not have attained to the age of thirty-five years, and been fourteen years a resident.
I can help with 1 & 2.
Audubon was famous for painting birds, especially rare species. Of course, he was a hunter, too, so after he painted a bird, most often, he'd shoot it. So 1 is A.
The Hudson River School was founded on landscape artwork, as can be seen in arguably its most famous artwork: "The Oxbow" by Thomas Cole (who was a prominent figure in the Hudson River School). So 2 is B.
Hope this helps! (And sorry I can't help with 3!)
Years of wind blown dirt rocks and sediment will form layers after the sun compacts it together