Which is true about the Snake River? 1.It forms part of the southern boundary of Washington.
2.It flows west but never meets the Columbia River.
3.It is one of Washington’s least important rivers.
4.It flows into Washington from Idaho in the east.
please will make brainest

At 1,078 miles long, the Snake River is the longest tributary of the Columbia River and the largest North American river to empty into the Pacific Ocean.

it forms the boundary between Idaho and Oregon for 216 miles (348 km). From the northeastern corner of Oregon it forms the Washington-Idaho boundary to Lewiston, Idaho, and then turns west to join the Columbia just south of Pasco, Washington, after a course of 1,040 miles

so 4

world war i began in 1914, after the assassination of archduke franz ferdinand, and lasted until 1918. during the conflict, germany, austria-hungary, bulgaria and the ottoman empire (the central powers) fought against great britain, france, russia, italy, romania, japan and the united states (the allied powers). to new military technologies and the horrors of trench warfare, world war i saw unprecedented levels of carnage and destruction. by the time the war was over and the allied powers claimed victory, more than 16 million people—soldiers and civilians alike—were dead.

explanation: