<u>The industrialization supposed a strong increase of the population</u>. <em><u>This was concentrated in cities, which were growing with the waves of immigrants from rural areas, attracted by the work in the industries</u></em>.
<u><em>The growth of cities was not accompanied by urban planning, hence the lack of basic services</em></u>: <u>running water, sewerage, etc. The lack of hygiene was absolute.
</u>
<em><u>The correct answer is A</u></em>: <u>Overcrowding</u>.
Helped with communications between Natives & Spanish
The correct answer is:
<h2>C. They are the country's foremost authorities on the Constitution.</h2>
Answer A is incorrect. Each state has its own Supreme Court for that purpose.
Answer B is incorrect. In some cases, where there has been an even number of justices on the court, review of a case may end in a split decision. When a split decision occurs, then the Supreme Court's action (or lack of action, we could say) doesn't establish any legal precedent in the matter.
Answer D is incorrect. The Chief Justice and Associate Justices all serve for life or until resignation. There are no "temporary" justices.
The answer is the first one, A