Thousands of years go people began to form cities a) to allow people to produce more food
b) for the purpose of exploring new land
c) for the common defense and protection of people
d) to further intellectual and technological development

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

the dominoes began to fall. the surrender at appomattox took place a week later on april 9. while it was the most significant surrender to take place during the civil war, gen. robert e. lee, the confederacy's most respected commander, surrendered only his army of northern virginia to union gen. ulysses s. grant

explanation:

the gutenberg bible was and about 180 copies were sold/made