A. Don’t just accept traditional knowledge about how the natural world works—experiment and observe the results.
Answer:
Irrigate
Explanation:
irrigation is used to water crops whenever it hasn't rained
William Jennings Bryan because it was during the Grange and the farmers alliance
I'd say d. The religious freedoms because of,
"Traditionally, Isabella has been regarded as the living symbol of the religious awakening in Spain, but an examination of the letters exchanged between the king and the queen shows that they acted in perfect accord, moved by the same fanatical urge."
The answer is A. Drove production costs up. It drove production costs down, because they were able to take less time to make the products as well as less materials because 1) standardized parts were invented around the same time, and 2) they didn't have people preparing everything so materials weren't wasted.