About 75% of human history.
how much brief history of human population in India
From the earliest times to the present. With every passing moment the present becomes the past.
the trans-atlantic slave trade, also known as the Atlantic slave trade. It was the largest and one of the cruellest displacement of people in the world's history.
I'm going to guess= running. Humans have hunted for hundreds of thousands of years. Hunting might be another good guess.