The item that anthropologists study to learn about in the past is bones i do believe.
It was done for the protection of the community
On December 7, 1941, the U.S. was thrust into World War II when Japan launched a surprise attack on the American naval fleet at Pearl Harbor. The following day, America and Great Britain declared war on Japan. On December 10, Germany and Italy declared war on the U.S.
plz mark me as brainliest :)