d. rift valleys
rift valleys from when two oceanic plates converge
Shinzo Abe: Japan
Chiang Kai-shek: China
Kim Jong Un: North Korea
Park Geun-hye: South Korea
Mao Zedong: Taiwan
Answer:
Option: clearing the land to raise crops.
Explanation:
Agriculture first to practice by Neolithic people who shifted from hunting-gathering. During the Neolithic Age, humans invented new tools for farming that helped them to plough the land and clear unwanted weeds and plants. The cultivation included crops of wild which transformed into domestic. As they indulged in agriculture, they began living in one place rather than moving from one place to another in search of food. Animals were also domesticated who served them as companionship in the wild surrounding and food for survival.
