Final answer:
Haiti was hit by a massive 7.0 magnitude earthquake on January 10, 2010, leading to over 230,000 deaths and leaving 1 million people homeless. Option A.
Step-by-step explanation:
The nation struck by a major earthquake on January 10, 2010, leaving more than 230,000 people dead and 1 million more homeless was A. Haiti. This devastating 7.0 magnitude earthquake hit about 15 miles from Port-Au-Prince and affected over two million people, with many international agencies providing food and aid in the aftermath. The lack of building standards in Haiti was a significant factor in the extent of the destruction and loss of life. Option A.