The first head is the party in the electorate. This is who the supporters of your party are. They don't have to be actual members of the party, it's enough that they publicly speak that they support you and will vote for you and this is a huge amount of voters because these are the common people who don't deal with politics.
The second head is the party as an organization. This is the classic company like organization with staff, headquarters, laws and legislation, taxes, and similar things. The goal of the organization is to win the elections and they help on a state, national, and local level with things like campaigning and other important aspects of politics.
The third head is the party in government. These are party members who are members of the congress and although they may disagree with some party policies, they are in general the spokespeople for their party and represent it and its values. They are the people who vote on legislation and the budget and similar things.
Answer: There are many reasons for that:
- There was party stability, and the dominance of both Democrat and Republican parties was strong, which led to a big impact in the lives of millions of voters.
- The appearance of political machines, which were party organizations that incentivized people to join their party and increased their voter´s loyalty.
- Political machines became a central element of life for civilians.
- Political parties not only served the political needs of society, but also their needs for social services.
Democritus is your answer.
Terracing worked best in areas with large plains.
Terracing was so effective in ancient Athens that it produced enough food that it could be traded to other places.
The ancient Athenians used terracing to grow potatoes, corn, and squash.
Ancient Athens invented the practice of terracing.
