The hunter and gather era is to the agricultural era as the Neolithic Era is to the Paleolithic Era
Neolithic Era is to the Ice Age Era
Paleolithic Era is to the Neolithic Era
Paleolithic Era is to the Ice Age Era

The hunter and gather era is to the agricultural era as the Paleolithic Era is to the Neolithic Era.

The difference between the Paleolithic and the Neolithic are:

Paleolithic

Neolithic

According to the above, the difference between the Palaeolithic and the Neolithic is that in the Palaeolithic the communities were nomadic and semi-nomadic, so they engaged in hunting and gathering. While in the Neolithic the communities were sedentary and developed agriculture.

So, the correct answer is C.

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the progressive era is a period of widespread social activism and political reform across the united states that spanned from the 1890s to the 1920s.[1] the main objectives of the progressive movement were eliminating problems caused by industrialization, urbanization, immigration, and political corruption.

the movement primarily targeted political machines and their bosses. by taking down these corrupt representatives in office, a further means of direct democracy would be established. they also sought regulation of monopolies (trust busting) and corporations through antitrust laws, which were seen as a way to promote equal competition for the advantage of legitimate competitors.

many progressives supported prohibition of alcoholic beverages, ostensibly to destroy the political power of local bosses based in saloons, but others out of a religious motivation. at the same time, women's suffrage was promoted to bring a "purer" female vote into the arena.a third theme was building an efficiency movement in every sector that could identify old ways that needed modernizing, and bring to bear scientific, medical and engineering solutions; a key part of the efficiency movement was scientific management, or "taylorism".

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b) new machinery hope i