True or false most major interest groups have lobbyist who press congress to act in the interests of their members

   True.

Most major interest groups find it very necessary to have a lobbyist. This is because they need a person that communicates their goals and purpose to congress, this helps so that the people of congress know the interests of a portion of the population and can act on this. Most of the times, the interest groups are seeking a specific law or bill to be passed so they send the lobbyist to speak and pressure congress. Forms of getting congress to pass a bill include, money offering or "donations" which can be known as "bribery".

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The answer is eastern europe

My opinion is that it doesn't