Answer:
b. A reliable food production and distribution system
Explanation:
The Tang and Song Empires were successful at creating increased food production. Irrigation systems were responsible for more growing areas and particularly helped produced more rice. The empires also manipulated the landscape to create more land to farm. Terrace systems within the land also increased the amount of land that could be farmed at any one time. Cotton, tea, and rice became the most produced crops making money for the empires.
the answer is a democratic government
The two western powers flew supplies over the blockade into West Berlin. This act is commonly called the BERLIN AIRLIFT. The Soviet Union revered policy after a year when the Soviets ended the blockade and permited land-transport of goods to West Berlin.
Answer:
I think it's chemicals sold to pharmaceutical developers... i don't know if it's right, though... i'm only in 8th grade, so it could be wrong, so wait until you get some more answers, and then double check each one. Hope it helps!
