**Meaning of the statement:**

The statement suggests that political parties have become influential entities in politics. Consequently, the Prime Minister, who is the leader of the ruling party, has significant control over the functions of the government. This control extends to both the cabinet, which is a group of ministers responsible for making decisions, and the Parliament, which is the legislative body.

**Explanation:**

**1. Role of Political Parties:**
Political parties are organizations that represent specific ideologies and interests of the people. They play a crucial role in politics by mobilizing public support, formulating policies, and contesting elections. In democratic systems, parties compete to gain power and form the government.

**2. Prime Minister's Control:**
The Prime Minister, as the head of the government, exercises substantial control over the cabinet and Parliament. This control arises from the Prime Minister's leadership position within the ruling party.

**3. Control over the Cabinet:**
The cabinet consists of ministers who are responsible for specific portfolios such as finance, defense, education, etc. The Prime Minister, being the leader of the ruling party, has the authority to appoint and dismiss ministers. This ensures that the cabinet aligns with the Prime Minister's vision and policies.

The Prime Minister also presides over cabinet meetings, setting the agenda and making final decisions. Through this control, the Prime Minister can influence the formulation and implementation of government policies.

**4. Control over Parliament:**
The Parliament is the supreme legislative body in most democracies. It is responsible for making laws, scrutinizing the government's actions, and representing the interests of the people.

The Prime Minister, as the leader of the ruling party, holds significant influence over the members of Parliament (MPs) from their own party. MPs are expected to support the government's agenda and vote in favor of its policies. The Prime Minister can use this influence to ensure the passage of legislation and maintain majority support.

Additionally, the Prime Minister's control over the cabinet allows them to effectively present and defend government policies in Parliament. The Prime Minister often represents the government during parliamentary debates, answering questions and addressing concerns raised by MPs.

**Conclusion:**
In summary, the statement highlights the increased importance of political parties in politics. The Prime Minister, as the leader of the ruling party, exercises control over the cabinet and Parliament. This control allows the Prime Minister to shape government policies, appoint ministers, and ensure support for the government's agenda in Parliament.