How did the Himalayas affect the development of China? When did China first start trading with India? What were their most popular imports and exports?

Himalaya's: Isolated China.and gave protection, and water, and minerals.

Trading : As far as I know from when the silk road started ( but this could be wrong)

POPULAR EXPORTS : Jade, Silk, Paper, Porcelain.

Popular Imports : Spices, Glass, AND ALSO :  Buddhism ( from india)

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest