Answer:
legislative
Explanation:
the legislative branch (congress, Senate and the house of representatives) make laws, the judicial evaluates the laws while the executive carry out those laws
More technology and innovation lead to faster and more efficient production, leading to more profits for companies and more money for the growing economy.
It dried up.
North Africa used to be a fertile grassland, even swampy in some spots, 12,000 years ago. By 1000 BC (actually quite a while before) it had dried up into what is the the largest desert i the world: the Sahara.
The Aztec forced the people of conquered lands into slavery.