How did the ancient Indians measure weight? They used the binary system.
They used the decimal system.
O They used a balance with arms.
They used objects for comparison.

They used objects for comparison.

Explanation:

The weights and measurement method differed between regions, goods, commodities, and rural to urbaine during the pre-Akbar period. The weights were calculated on the weight of different seeds (particularly wheat and Ratti) and the length was calculated on the arms length and the finger width.

a.   it resulted in widespread unemployment.

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.