A new source of emeralds was opened up when the Spanish, after much torture and protracted fighting, discovered the Colombian mines that were the source of the emeralds found in Mexico and Peru.

Not surprisingly, the change in the institution's mission and identity has not occurred quickly or smoothly; it has been the object of protracted fighting, most of it behind closed doors.

It includes the names of 18,093 soldiers who were missing in action or lost at sea during the protracted fighting of World War II.

According to more recent work by historian Hugh Bicheno, the end of the protracted fighting in the Tumbledown sector came about over real fear of Falklands civilians being massacred by angry Argentine troops as they hastily prepared for house-to-house combat.

It was largely a by-product of Arab and Jewish fears and of the protracted, bitter fighting that characterized the first Israeli-Arab war.

Other reinforcements consisted of the 21st ARVN Division which was plagued by a very slow move from the Delta area in the south of the country and cleared QL-13 after protracted fighting.

The younger Hong was inexperienced and powerless, so the Kingdom was quickly destroyed when Nanjing fell in July 1864 to the imperial armies after protracted street-by-street fighting.

A rebel coalition with weak domestic support could get bogged down in protracted fighting.

Ushered into law with marginal political support and faint praise from its creators, New Jersey's new health care system already has brought talk of major revisions and the threat of protracted legal fighting.

The initial drive south by the Communist North Koreans pushed the United Nations and South Korean forces toward Busan so quickly that Gunsan was spared from protracted fighting.