<span>Because California was going to be admitted as a slave state.</span>
New Agricultural Tools. An important factor of the Agricultural Revolution was the invention of new tools and advancement of old ones, including the plough, seed drill, and threshing machine, to improve the efficiency of agricultural operations.
Many slaves were brought to Brazil due to the sugar economy,
which is the primary source of income in Brazil.
Answer:
Japan needed the region's natural resources, especially oil and rubber, to carry on its war against China.
Explanation:
Choice B, Sui dynasty (隋朝) reunified China. The dynasty was short, lasting only from 581-618C.E. The dynasty reunited north and south China after three centuries of separation, and returned China to Han rule. Thought very short, the dynasty is extremely important in China's history, with its emporers tackling many social and economic issues.
Hope this explanation helps :)