I think the answer is true, but I'm not really sure
Answer:
Trade
Explanation:
Because of Italy's long coastlines, Italian city states became wealthy through trade.
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Answer:
Correct answer is 1929–1932.
Explanation:
It is obvious that US economy suffered the most in the period between 1929–1932. The major reason for that were the stock market crush and the great depression that followed.
In the other mentioned periods the economy was either stable, or had a slow progress, like in the period between 1933 and 1937.
Answer: Many decisions are made on the margin.
Explanation:
The options include:
A. People usually exploit opportunities to make themselves better off.
B. Resources are scarce.
C. Many decisions are made on the margin.
D. All costs are opportunity costs.
The basic principle of individual choice that Juanita's plan illustrate that her husband's advice does not is that many decisions are made on the margin.
From the question, we are informed that Juanita plans to reduce by 1 hour per week the time she spends training on the bike and increase by 1 hour the time she spends in the swimming pool. This shows the effect of margin. Margin simply means something extra.
While Juanita wante to spend extra time swimming, while her husband wants her to spend the whole 20 hours in the pool. Their decisions are both based on margin.
