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Sunspot activity tends to follow a cycle of roughly:
American Politics
The structured set of practices, beliefs, and institutions that define the operation of the United States government and its interactions with the populace.
Political Parties
Organizations that seek to achieve political power by electing their members to public office, thereby influencing public policy and government decisions.
Subtreasury Plan
A proposal in the late 19th century aiming to revolutionize credit and storage for agricultural products to benefit farmers.
Farmers' Alliances
Late 19th-century movements in the United States that aimed to improve the economic conditions for farmers through the creation of cooperatives and political advocacy.
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