The Confederation System.
The Confederation System had a loose relationship with other political units or the states that existed within the country at the moment, such as federal governments.
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The answer is b)<span> groundwater was overpumped
As population in Mexico City and the </span><span>San Joaquin Valley skyrocketed, the demand for water also increased.
Mexico City was once the most populated city on earth and that created a lot of burden on the cities infrastructure including the water supply.
The groundwater was over pumped leading to huge problems for millions of people.</span>
The restoration of Chinese rule, the voyages of Zheng he, and the reintroduction of civil service examinations are all associated with the rise of nationalism, among other things.
Answer:
Its the second one
Explanation:
Fundamental Political Principles
