Explanation:

- Social competition refers to rivalry between individuals or groups for social status, recognition, or prestige. It doesn't always require direct contact.

- Economic competition involves individuals or organizations struggling for financial gains or resources. Direct contact isn't always essential.

- Cultural competition happens when different cultures vie for dominance or influence; again, not necessarily requiring face-to-face or direct contact.

- Conflict (Option 4) is a competition in which direct or indirect contact is essential. This means parties must be aware of each other and typically interact, often with opposing goals.

Correct Answer: Option 4 - conflict