Answer:
Sakoku (??, "closed country") was the isolationist foreign policy of the Japanese Tokugawa shogunate (aka Bakufu) under which, for a period of over 220 years, relations and trade between Japan and other countries were severely limited, nearly all foreign nationals were barred from entering Japan and common Japanese. From 1633 until 1853, the military governments of Japan enforced a policy of sakoku or 'closed country' which prevented foreigners from entering Japan on penalty of death, and prohibited Japanese citizens from leaving.
D.yielded crops that contribute to Portugal economy
Justinians attempts to reconquer western territory left the east open to attacks by Persians and Slavs.
Justinian had come to the throne in 527. War with the Persians began in 540 and continued until a 50-year peace agreement was signed in 561.
The Sclaveni (as the Slavs then were known) gave Justinian problems in the Balkan region.
Financial experts warned the public the the American Economy is slowing down. With this warning in mind, investors started selling their shares in large numbers in September 1929. By 24th October 1929, 12.8 million shares were sold and another 16 million shares were sold at a very low price on 29th October 1929. The panic selling of shares lead to the collapse of the stock market in New York.
The aftermath of the wall street crash was very disastrous. Investors lost their money and was not able to pay off their debts. Many banks closed, leaving their depositors with no money nor hope for the future. Ordinary people lost their means to buy foods and other basic needs like shelter and clothes. Companies have to downsize resulting to firing of redundant workers and lowering the wages of the remaining workers. Unemployment rose to very high level.
The Wall Street Crash led to the beginning of the Great Depression in the 1930s.
