Complete the sentences using the drop-down menus.

Hypatia is believed to be the first female
.

Euclid wrote The Elements, which was about
.

Archimedes invented many things, including a type of
.

Ptolemy created an incorrect theory that the
was the center of the universe.

Which piece of legislation signed by lyndon johnson brought an end to barriers preventing minorities from participating in elections?

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.

According to martin luther king jr., why does nonviolent direct action seek to create a crisis?