Answer:
<em><u>d.) Schenck v. U.S.</u></em>
Explanation:
Schenck v U.S. was a Supreme Course case from 1919. I believe it basically referred to the Espionage Act as an example that free speech is a right under the 1st Amendment.
Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
Nearly 90% of Canada's population lives within 100 miles of the border of the United States. The correct option among all the options that are given in the question is the last option or option "D. The main reason for such population density within a specific region is that the central and north of Canada are mainly desert and Tundra.