When an organization's members send letters and make telephone calls to their elected officials on behalf of an interest group, it is called lobbying. this contrasts with lobbying, which is designed to mimic a spontaneous outpouring of support by members but is, in actuality, carefully orchestrated by an interest group.

The correct answers are: Grassroots; Astroturf.

Explanation:

The lobbying group or lobby group is a collective with common interests that carries out actions aimed at influencing the Public Administration to promote decisions favorable to the interests of that particular sector of society.

Astroturf lobbying refers to political organizations or campaigns that appear to be formed by grassroots activists, but are actually organized and directed by corporate interests that seek to boost their own agendas. These groups are often characterized by innocent sounding names that have been specifically chosen to hide true supporters of the group.

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