Of the kinds of power listed below, which kind of power is used to empty the water out of the lock and then refill it? Explain your answer choice. • wind
• gravity
• hand pump
• paddle wheel

From the soviet point of view, which reagan policy most threatened to create a new arms race? a. strategic defense initiative b. u.s. support for israel c. aid to the anti-soviet rebels in afghanistan d. iran-contra scandal

Concentration camps built by nazis in 1933 initially held

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire