<span>Energy of electrons depends on light's frequency, not intensity.</span>
The main reason why rice became a Chinese staple food during the Tang dynasty was because it was so plentiful and had all the basic nutrients that were needed for survival.
The Embargo Act of 1807 was a law passed by the United State Congress and signed by President Thomas Jefferson on December 22, 1807.
It prohibited American ships from trading in all foreign ports. In 1806, France passed a law that prohibited trade between neutral parties, like the U.S., and Britain. Agricultural prices and earnings fell. Shipping-related industries were devastated. Nothing much out of that, eh?
Hope this helps, and you'd get it right. x
Answer: they relied on agriculture, fishing, furs, livestock, lumber, shipbuilding, textiles, and whaling.
