The correct answer is A) Increased trade along China's eastern coast.
The development of hybrid plant species and advances in irrigation methods led to this effect during the Tang dynasty: Increased trade along China's eastern coast.
During the Tang Dynasty, irrigation advances played a key role to farm the lands and produce quality crops that were traded with other regions. In particular, the peaceful times during the Tang Dynasty allowed Chinese farmers to focus on producing crops that were important for the Dynasty as was the case of rice. Agriculture became stronger with irrigation techniques when farmers started to grow tea. Emperors were very proud of agriculture, made great profits and this also was a symbol of power.
India is very diverse, yes.
I think that it's good for the people: the people of India are also very diverse; and if the diversity was somehow lessened, then someone would be discriminated against (see: the treatment of Hindus and Christians in Pakistan vs. that of Muslims and Christians in India).
Again, a comparison with Pakistan is on order: if you want to know if India would have progressed faster if the land and the people were not
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so diverse; I don't think so. I think that the diversity is actually what let India develop a bit faster than the less diverse Pakistan (remember, they were one country in 1946, so they were very similar, but today I think India is stronger economically.).</span>
The correct answer is repeated measures design.
Repeated measures design refers to an experimental design that involves making all participants of the study subject to each condition or variable of the study. Each participant is measured multiple times in a repeated measures study. In this example, the participants are subject to both conditions- a simulated driving test without alcohol consumption, and a simulated driving test after alcohol consumption.
Answer:
Im pretty sure it's A but maybe c but definitely not b because that's just saying how we won things.