Explanation:

- Reliance on Remittances: While remittances provide significant foreign exchange, over-reliance can lead to neglect of domestic industries and economic self-reliance.

- Political Instability: Frequent government changes and policy shifts can disrupt economic planning and foreign investment, hindering growth.

- Growing Dependence on Foreign Loans: Leads to debt burdens and financial instability, squeezing development budgets and reducing economic freedom.

- (a) and (b): Reliance on remittances and political instability are indeed factors in Pakistan's slow growth.

The correct answer is Option 4: Both (a) and (b).