Answer:D. all of the above
Explanation:Isabella and Ferdinand are known for completing the Reconquista, ordering conversion of the Jews and Muslims from Spain, and for supporting and financing Christopher Columbus's 1492 voyage that led to the rediscovery of the New World by Europeans and to the establishment of Spain as a major power in Europe and much of the world for more than a century.
The answer should be comparative
President Abraham Lincoln paved the way for abolishing slavery, in the year 1808 they stopped the transport of slaves from Africa to the US.
The deepest hole in the world is
Kole Superdeep Borehole
<em>It is at 9 inches in diameter, but at 40,230 feet (12,262 meters) reigns as the deepest hole.</em>