B. The invention of the balance made trade easier. Increased trade contributed to the development of more complex writing systems.
What is in common with Mongols, White Huns, and the Mughals as well was that all of them were persecuting Buddhists along their conquests on either Europe or Asiatic soil. None of the mentioned civilizations were particularly fond of the buddhistic teachings.
Answer:
A drop in the number and productivity of workers.
Explanation:
The spread of AIDS affects the economy of many African countries negatively. If the infection rate is high in a country, it means that a significant number of people, young and adults who are in working age, are either patients or carry the virus. This decreases the number of people economically active, increases public spending in healthcare, and it lowers productivity and has an impact on growth.
For specific ideas, an oligarchy system of government normally has one group of people that rule a certain place. Some of the characteristics include positive and negative feedback. It increases an idea for voting for one and all but also decreases the idea of self government. The power also resides in few people, and that may make the economy and political system unjust.
Thanks for the free points, apologies I couldn't help you!
