Answer: A. when they are concurrent.
Answer:
The Agricultural Revolution
Explanation:
The Agricultural Revolution ushered in a period of experimenting with novel crops and crop rotation methods. These new farming techniques allowed the earth to recover nutrients, resulting in more productive crops and agricultural output. Irrigation and drainage improvements boosted production even more.
Letter A is the correct answer: It was centralized.
Qin government was centralized, autocratic and highly influenced by the Legalist school of thought. Under Qin's rulership, the laws were known to be very strict and punishments for crimes were extremely harsh.
Answer:
5200 BC
Explanation:
The first agriculture in Africa began in the heart of the Sahara Desert, which in 5200 BC was far more moist and densely populated than today. Several native species were domesticated, most importantly pearl millet, sorghum and cowpeas, which spread through West Africa and the Sahel