stop — to cease from, leave off, or discontinue: to stop running.
aid — Aid is money, equipment, or services that are provided for people, countries, or organizations who need them but cannot provide them for themselves.
allow — If someone is allowed to do something, it is all right for them to do it and they will not get into trouble.
assist — If you assist someone, you help them to do a job or task by doing part of the work for them.
help — to give or provide what is necessary to accomplish a task or satisfy a need; contribute strength or means to; render assistance to; cooperate effectively with; aid; assist: He planned to help me with my work. Let me help you with those packages.
permit — to allow to do something: Permit me to explain.
combine — If you combine two or more things or if they combine, they exist together.
desegregate — To desegregate something such as a place, institution, or service means to officially stop keeping the people who use it in separate groups, especially groups that are defined by race.
join — to bring in contact, connect, or bring or put together: to join hands; to join pages with a staple.
open — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
reveal — to make known; disclose; divulge: to reveal a secret.