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I think it’s called boundary
The answer is that "it is reinforced based on a <span>fixed-interval schedule".
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A Fixed Interval Schedule gives a reward at reliable circumstances. For example a kid might be rewarded once per week if their room is tidied up. A problem with this sort of fortification timetable is that people tend to hold up until the point that the time when support will happen and then begin their reactions. Due to this reinforcement, yield doesn't stay steady. For example, Educator plans exams or undertakings at general interims and the grade is the reinforced, yet the work is inconsistent during the interim between tests.
A policy of extending a nation power by gaining political and economic control over other nation.
Answer:
The answer is b: To help Europe's economy after the war. After World War 2, there were two superpowers: The United States and the Soviet Union. The soviet Union was bent on world domination, and when nations are in chaos, such as a lot of people are living in poverty, communism usually seems attractive. The United States was determined to keep Western Europe free, so the Marshall plan allowed the federal government to send funds and aid to any country being threatened by communist revolutionaries. Plz mark brainliest.
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