America declares war on Japan, and since Britain is America's ally it declares war as well
They were mainly agriculture based and slavery was free labor.
On 1967 of April, with the United States at war in Vietnam, Ali declined to be accepted into the military, saying "I ain't got no squabble with those Vietcong." On June 20, 1967, Ali has indicted draft avoidance, sentenced to five years in jail, fined $10,000 and restricted from boxing for a long time.