What was the single most important reason why the people of the ancient middle east enjoyed such a stable food supply? here are some options

intensive crop rotation
fertile soil and irrigation systems
efficient bureaucracy
protection from bad weather

in the 1800s, chinese workers migrated to the united states, first to work in the gold mines, but also to take agricultural jobs, and factory work, especially in the garment industry. chinese immigrants were particularly instrumental in building railroads in the american west, and as chinese laborers grew successful in the united states, a number of them became entrepreneurs in their own right. as the numbers of chinese laborers increased, so did the strength of anti-chinese sentiment among other workers in the american economy. this finally resulted in legislation that aimed to limit future immigration of chinese workers to the united states, and threatened to sour diplomatic relations between the united states and china.

sadi to be the richest man ever with a net worth of 500b or half a trillion there is also a story i heard if you wanna know

b.unemployment reached nearly 25 percent.