The dry climate made it difficult for people to grow crops in parts of africa during the classical era which of the following did people not do in response to the environmental limitations on farming.

a. trade with neighbors in more agriculture productive areas.
b. raise and heard animals.
c. develop drought- resistant crops.
d. locate urban centers near major river systems.

When conducting research for forming a hypothesis, which practice should historians follow?

Can you summarize this? it takes time and caution to perfect anything which must be concealed. it takes time to crush men who are pursuing legitimate trade. but one of mr. rockefeller’s most impressive characteristics is patience. there never was a more patient man, or one who could dare more while he waited. the folly of hurrying, the folly of discouragement, for one who would succeed, went hand in hand. everything must be ready before he acted, but while you wait you must prepare, must think, work. "you must put in, if you would take out." his instinct for the money opportunity in things was amazing, his perception of the value of seizing this or that particular invention, plant, market, was unerring.

Select all that apply. identify two reasons for the fall of the ming dynasty. invasion by the japanese and koreans death of the emperor invasions poor leadership