A multilateral system of trading in which a country pays for its imports from one country by its exports to another.
The Walking<span> Purchase (or </span>Walking Treaty<span>) was a </span>1737<span> agreement between the Penn family, the proprietors of Pennsylvania, and the Lenape (also known as the Delaware Indians). By it the Penn family and proprietors claimed an area of 1,200,000 acres (4,860 km²) and forced the Lenape to vacate it.</span>
Most of immigrants came from Europe because the economic condidtions on the contitent, transition from agriculture to industry, famine, overpopulation and so on. When the US closed the west frontier, immigrants were looking for new territories and they decided to go north. Yukon gold rush in Canada, new railways all contributed to the increase of immigration to Canada and northern territories.
I believe the answer is: <span>test bias.
</span><span>test bias refers to the situation when a certain test would benefit a certain part of social groups.
From the example above, the test is biased for the race majority with middle or upper economic condition/status.</span>
How he presents himself, and how he judges
