White expansion. War between Indians and the whites was very common because the whites seemingly had quite an appetite for the Indian land. Indians struggle to contain this aggressive expansion led to war with hope to reduce American settlement and expansion.
(A) The office is led by the chief of staff, who serves as a key adviser to the president.
Answer:
Hippocrates was a much admired physician from the island of Cos who taught students for fees. Throughout his life Hippocrates appears to have traveled widely in Greece and Asia Minor practicing his art and teaching his pupils, and he presumably taught at the medical school at Cos quite frequently.
Explanation:
This thing was copied, from britanica! :D
The sinking or Lusitania on 7 May 1915 was a significant event during WW1. It was a passenger liner sunk by German submarine during World War 1. It lead to America declaring war on Germany.