Slash-and-burn agriculture is best defined as the process of

cutting plants and setting fires to fertilize farmland for crops.
cutting steps into a hillside to make a flat surface for crops.
using ash from fires to make farmland fertile for decades.
clearing forests to make farmland fertile for generations.

wisdom

explanation:

the fact that that the teachings on the cosmic order comes from, or through, the heart center

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

jewish people, gypsies, and political opponents.

roosevelt, a progressive reformer, earned a reputation as a "trust buster" through his regulatory reforms and anti-trust prosecutions. his "square deal" included regulation of railroad rates and pure foods and drugs; he saw it as a fair deal for both the average citizen and the businessmen.