Answer:
D. Iron Curtain
Explanation:
After the end of the second world war, the iron curtain was a political boundary that separated Europe into two different areas. The iron curtain had two sides, the East side and the West side. the Soviet union influenced those on the East side, while the West side had NATO member countries as well as some countries that were neutral.
The iron curtain was a political, military and ideological barrier which the East of Europe used to separate itself from having open contact with the West. It was Sir Churchill Winston who made the Iron Curtain speech given the behaviors of those in the Eastern part of the continent.
Answer: "The primary reason the U.S. expanded its influence in foreign countries: Economic reasons – industrialization in the late 1800s increased the need to trade with other countries. Sales of American goods to foreign countries were important to the workers in the U.S."
Explanation: "One of the main reasons was for personal economic gain. Many Americans believed that if they could not succeed where they were, they could always move West and start over. After all, that was how the nation had grown so large. The Panic of 1837 was an incentive for many, but the migration had begun before then."
In the English-speaking part of the world, two-party system is the most common. For example, in the US the two parties are the Democrats and the Republicans.
In many other countries three-and multiple party systems are more common and it is uncommon that a government is not a coalition of two parties (with one or more parties in the opposition)
Labor unions can increase wages through:
collective bargaining
Reducing supply of labor
and increasing demand for labor
In collective bargaining, the workers can send their representatives to negotiate new working terms with employers (including work hours and increasing wages).
Reducing supply of labor would make the existing laborers become more lucrative, rare and valued. This would resulted in an increase of workers' wages.,
Increasing demand for labor can be done by improving the members' skills through courses or seminar. By having additional skills, the members can be eligible to harder and more rare job opportunities. This usually correlate with higher wages