Japan's sinking of a US gunboat during its assault on nanking heightened tensions between the two countries four years before the attack on Pearl Harbor. on the morning of Dec 12.1937, the US gunboat PANAY was anchored in the middle of the Yangtze River 27 miles upriver from nanking.
Explanation: Four of these tribes are the Yakama Umatilla, Warm Springs, and Nez Perce. These tribes are known as "Plateau Tribes" because their home is called the Columbia Plateau. The Plateau Indians are still here today. Many live in special areas called reservations that were set aside for them in the 1800s.
The correct answer would be the many different factions in the war. A large number of casualties in the Nigerian civil war or also known as Biafran War, can be attributed to the many different factions in the war with one another.