That's a D from me, to culminate would be to grow, build, culminate
Victory at the Battle of Trafalgar ensured that Napoleon would never invade Britain.
It is to maintain peace and security
Whereas theDepartment of Defense is charged with military actions abroad, theDepartment of Homeland Security works in the civilian sphere to protect the United States within, at, and outside its borders. Its stated goal is to prepare for, prevent, and respond to domestic emergencies, particularly terrorism.