Answer: Pangea was surrounded by a global ocean called Panthalassa, and it was fully assembled by the Early Permian Epoch (some 299 million to 273 million years ago)
Answer:
Fredrick Douglass became a leader in the abolitionist movement, which sought to end the practice of slavery, before and during the Civil War. After that and the Emancipation Proclamation of 1862, he kept pushing for equality and human rights until his death in 1895
Explanation:
Russell founded the Watchtower Society, which later became the Jehovah's Witnesses.
One of their biggest arguments was whether or not the USA should join the League of Nations