Answer: That's correct. A coalition is formed when two or more smaller political parties agree to work together towards a common goal. By this, these parties increase their chances of graining influences and power.
Explanation: Coalitions often formed in parliamentary systems where no single party has a majority of seats in their legislative body.
Coalitions can have various motivations for forming such as sharing similar ideologies, or policy strenght or preventing a large paarty from taking control.