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.
They were two of the early battles in Grant's Overland Campaign in Virginia. It launched in May 1864. They were both Confederate wins, though the first one has costed Lee his cavalry chief Jeb Stuart. The second was an expensive failure, and Grant gave up the idea of frontal assaults on Lee. He now crowded Lee into a corner at Petersburg- the long siege that eventually ended the war.
Last one because everyone started building navies, so everyone else started building navies in order to defend against other navies.
The retail industry helps producers sell their goods to a national market.
A description of the setting