Answer:
April 19, 1775 – September 3, 1783
I believe the answer is: Cro-magnon
Cro-magnon refers to the skulls and partial skeletals which belong to the males and females form ancient times. We obtain many information from the cro-magnon because from its size we can determine the size of early humans' brain and predict their level of intelligence.
On February the 15th, in 1898, The battleship Maine was sunk by the Spanish crown, in Havana Harbor. This was the reason why the United States declared war on Spain in May of the same year.
When the war ended, in December of 1898, Spain had lost all its control over the territories of Puerto Rico, Cuba, The Philippines Islands, and Guam, with some smaller islands as well.
The War ended with the ratification of the Treaty of Paris, that was signed on December 10th, 1898.
It made them feel less certain about winning the war. People became more pessimistic about the war.
