The 1804 overthrow of french colonizers in modern day hati was led by who ?

Aging populations can be a problem for developed countries because a) there are fewer younger workers coming into the workforce. b) most older workers demand top-level pay and full benefits. c) many older people are skilled in manufacturing, not technology. d) younger workers cannot find jobs when older people work longer.

Who introduced arabic numerals to italy, which make bookkeeping possible? a. brunelleschi b. cosimo de medici c. fibonacci d. gregory xi e. giovanni de bicci de medici

Why might the greeck city states have an advantage over the persians