To keep either house of Congress from becoming too powerful. (Gradpoint)
Answer:
power shifted from one political party to another is the answer
I would say that it is the fertile soil, the question seems incomplete though
Answer:
In general, primaries use secret ballots for voting. Caucuses are local gatherings of voters who vote at the end of the meeting for a particular candidate. The candidates then campaign across the country to explain their views and plans to voters. They may also participate in debates with candidates from other parties.
Explanation:
It would seem as if the government was helpful and caring of its people. That is one thing that could be inferred from the fact provided.
