is a clause?When World War II broke out, Beardenserved in the U.S. Army.A broke outB in the U.S. ArmyC served in the U.S. ArmyD When World War II broke out

is a clause?When World War II broke out, Beardenserved in the U.S. Army.A broke outB in the U.S. ArmyC served in the U.S. ArmyD When World War II broke out class=