Answer:
The answer is D. The period of isolationism.
Explanation:
US Commodore Matthew C. Perry´s mission was to make Japan open to trade. He first arrived in 1853, conveying a letter from the president of the United States. He returned in 1854. Perry´s mission effectively forced the end of the self-imposed isolation of Japan which had existed since the first half of the 17th century. Japan was closed to the outside world by the Tokugawa shogunate, only Dutch vessels were permitted to anchor at Yokohama´s bay and conduct limited trade with the Japanese.
The Iroquous system of Governing is based on The Grand Council which consists of representatives of the Haudenosaunee Confederacy, from the Six Nations.
As they believe in the participation of the people in politics option A and B are correct.
The incorrect term in regards of their ideas for governing is B. Checks and Balances. There is no evidence that they use any kinds of Checks or Balances for their political matters.
A local speed limit is an example of a real world situation that cam be mathematically represented by inequalities.
For example, if the local speed limit is 45 mph, you can write:
Speed ≤ 45 mph.
This notation means that speed is less or equal to 45 mph
1840s
Factory-made agricultural machinery increases farmers' need for cash and encourages commercial farming
1841
Practical grain drill patented
1842
First grain elevator, Buffalo, NY
1843
Sir John Lawes founded the commercial fertilizer industry by developing a process for making superphosphate
1844
Practical mowing machine patented
1847
Irrigation begun in Utah
1849
Mixed chemical fertilizers sold commercially