In February 1915, Germany announced unrestricted warfare against all ships, neutral or otherwise, that entered the war zone around Britain. One month later, Germany announced that a German cruiser had sunk the William P. Frye, a private American vessel that was transporting grain to England when it disappeared.
The Cuban Revolution brought Fidel Castro, as a head of the 26th of July Movement (M-26-7), which initiated and lead the Revolution, to the position of the leader of Cuba, along with the communist government he was part of.
<span>The Plymouth Colony started businessmen and adventures.</span>
Answer:
After 1830, white Southerners stopped referring to slavery as a necessary evil. Instead, they argued that it was a beneficial institution that created a hierarchical society superior to the leveling democracy of the North. By the late 1840s, a new and more explicitly racist rationale for slavery had emerged.
Explanation: