Which of the following factors represents the most significant cause of the growth of cities in Afro-Eurasia in the period 1000-1450 ? A
Climate change
Increased interregional trade
с
Decreased agricultural productivity
D
Increased invasions

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the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

although the crusades failed to capture jerusalem, they had several major impacts on western europe. they increased the authority of the king: sometimes nobles died in battle without leaving an heir in which case the king got their land. kings passed taxes to pay for the crusades.

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explanation:

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