Answer:
Era
Explanation:
Epoch is an English word that is used to describe a specific period or simply a certain era about the occurrence of events or certain places or people.
Hence, in the statement "The invention of email opened an important epoch in the history of communication."
The term which can replace epoch without changing the meaning of this sentence is ERA.
Most importantly, Roosevelt announced his vision for the world, "a world attainable in our own time and generation," and founded upon four essential human freedoms: freedom of speech and expression, freedom of worship, freedom from want, and freedom from fear.
The French prince Louis was invited to invade England
Vietnam War soldiers. The Vietnam War was fought between communist North Vietnam and the government of Southern Vietnam. The North was supported by communist countries such as the People's Republic of China and the Soviet Union. The South was supported by anti-communist countries, primarily the United States.
Songs and reading the Bible. i think