The KoL was an organization founded by Uriah Stephens in 1869. It accepted skilled and unskilled workers, women, and people of any race, unlike many other labor unions. They fought for eight-hour workdays and equal pay for women.
The AFL was a labor union that only allowed skilled workers to enter, so no women or people of other races. It was founded by Samuel Gompers in 1881, and it focused on getting better working conditions for the working class. They used collective bargaining to gain higher wages and shorter workdays.
Juan Ponce de Leon did exploration for SPAIN.
He was comissioned as governor of Puerto Rico by King Ferdinand. In 1513, Ponce de León led the first known European expedition to La Florida. He returned to Spain in 1514 and was knighted by King Ferdinand, who also reinstated him as the governor of Puerto Rico ( he got into problems with Diego Columbus - son of Christopher Columbus- who took away from him the government from Puerto Rico for almost two years) and authorized him to settle Florida
As Bookworm83 pointed out already, C nor D couldn't possibly correct, also due to the reason that he was able to come up with the 14 point plan. However, the real answer to your question would be A - he was very shy.
The shyness of Woodrow Wilson has been readily documented in variou sources and is also the reason why it's th ecorrect answer. Overcoming something like shyness was not an easy thing to do for him.