What is the metric unit of work?

How were returning african-american soldiers treated in american cities in 1919–1920?

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

Which word most closely describes the type of government in edward bellamy’s looking backward