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American Commodore Matthew Perry led his four ships into the harbor at Tokyo Bay, seeking to re-establish for the first time in over 200 years regular trade and discourse between Japan and the western world.
During the 1900's, the number of women employed in manufacturing increased the most. The correct option among all the options given in the question is option "D". Earlier the women found the atmosphere for working very hard and there was very little amount of payment for the labor they put in. after the 1900's, the working atmosphere as well as salary improved and this pulled more and more women towards the manufacturing sector.
The Mayflower compact was considered a social contract, which greatly influenced the development of democracy as the founding fathers created a similar contract: the Articles of Confederation. The Articles of Confederation holds a contract to the people that their are certain parliaments that hold representatives for them, in other words a democracy. But as we soon find out this social contract was inefficient and failed, thus leading to the Great Compromise and the United States Constitution. Long story short, The Mayflower Compact set an example for the United States of America of keeping a social agreement between their people. <span />
Due to their lifestyle, nomads had a special relationship with trade. Nomads are people who do not settle and build cities in one place, but continuously travel. While other societies were able to stay put in one city, and generally figure out how to supply for all or most of their needs in these cities (agriculture, metallurgy, etc), nomads did not have this luxury.
Think of the nomadic people of Central Asia or the caravans of Arabia. These people traveled constantly, often having to find new sources of food and shelter. People with this lifestyle had to be good at trading. It was essential to their survival to figure out what people in various regions needed and were willing to trade for, and to supply those things when they arrived there. Nomads were more reliant on trade due to the nature of their lifestyle, and better at it for the same reason.
They also had the advantage of coming into contact with a diverse range of people, with different products and customs, and were able to serve as middle-men between these societies, enjoying the profits of playing such a role.