The correct answer is D. The domestication of plants and animals
Explanation:
The first agricultural revolution occurred during the Neolithic period around 4500 BC as human groups developed basic tools and methods to grow plants and implement agriculture. Moreover, the second agricultural revolution occurred between the 18th and the 19th century, which implied the development of complex technology to increase the productivity of crops.
These two revolutions were only possible due to the domestication of plants and animals in the early Neolithic as humans stopped being hunters and gatherers and instead formed permanent settlements as they learned to use wild plants and animals for their benefit (domestication). Moreover, as domestication occurred humans required basic and later advanced tools to make the process of agriculture easier, which caused the agricultural revolutions.
The west of North America and Mexico
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Two progressive reforms that helped expand democracy include voting in primaries and recall.
1) Voting in a primary- A primary election is when a person is picked to be the official nominee for a specific political party. This person will then face off against other candidates in the general election. The general election decides who wins the position. However, allowing citizens to vote in primary elections gives them much more political power, as before this time they were unable to have significant influence in deciding who would represent their party. This form of democracy is still an imperative part of American society today, as citizens still vote in primaries. This is especially true for the nomination of a presidential candidate.
2) Recall- Recall is a process in which citizens can vote to remove an elected official from office. This process involves a petition and a general vote by citizens. This expands democracy, as the citizens are now able to get rid of public officials who are corrupt or ineffective.