Answer:
A. The other answers are void. Solids come together since they are denser so A could also be proved that way.
♡ The Question ♡
-How did stock market activity on October 29, 1929, contribute to the Great Depression?
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♡ The Answer ♡
-Stock prices dropped quickly and dramatically, leaving investors with less money to repay loans.
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♡ The Explanation/Step-By-Step ♡
-The stock market crash of October 1929 resulted in many loan defaults, contributing to the start of the Great Depression.
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♡ Tips ♡
-No tips provided!
The correct answer is: "limiting competition"
Regional trade blocks are intergovernment treaties through which several countries agree to eliminate trade barriers among its members, so that they can enjoy free trade and enhance competitiveness within the region. Moreover, they establish a joint external trade policy, setting tariffs and other trade barriers to favour<u> domestic producers cope with competitors from outside the block, limiting the foreigner's ability to compete with products from the trade bloc. </u>
I think the answer is B. hope this helps!