By all the crazy stuff that he do.
The answer is C. Ratification of the Nineteen Amendment.
The 19th Amendment gave voting rights to all despite gender => for all the ladies who desire to have suffrage rights!
The 19th Amendment prohibits the states and the federal government from denying the right to vote to citizens of the United States on the basis of sex.
There has always been slavery inside Africa.
(Sadly slavery is still in Africa today.)
Europeans sold goods that the kingdoms wanted.
The kingdoms kept pushing further and further into the interior.
This created a continuous cycle.
Whites were sold into slavery in Africa also.
(They were captured from barbery pirates in North Africa.)
He is chief executive officer of AMR which became until it merged with with US Airways and became American Airlines. He became chairman of it.