"Byzantine weakness allowed the Ottomans to capture much Byzantine land" would be the best option from the list, since the Byzantines had spread out their sphere of power to an extent that it was unable to govern properly.
The US invaded Afghanistan in retaliation for 9/11.
Answer:
•Multi-sport American athlete Babe Didrikson Zaharias was breaking boundaries in sports in the early 1900s. She was voted the Greatest Female Athlete of the first half of the 20th century by the Associated Press.
•The Williams sisters have redefined women in tennis and are credited with pioneering a game in which women are focused on power.
•The United States Women's National Team has had several athletes become icons since the 1990s. Most recently, Alex Morgan and Megan Rapinoe have joined the likes of Mia Hamm and Abby Wambach as iconic members of the team.
•While gymnastics has become a more popular sport over time, Nadia Comaneci is credited with bringing attention to the sport worldwide during the 1976 and 1980 Summer Olympics.
Following its ratification by the requisite three-fourths of the states, the 15th Amendment, granting African-American men the right to vote, is formally adopted into the U.S. Constitution. Passed by Congress the year before, the amendment reads, “the right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude.” One day after it was adopted, Thomas Peterson-Mundy of Perth Amboy, New Jersey, became the first African American to vote under the authority of the 15th Amendment.
(It gave black men "previous slaves" the right to vote)