Who was william seward, and what was his significance?

can someoen please help

William Henry Seward was appointed Secretary of State by Abraham Lincoln on March 5, 1861, and served until March 4, 1869. Seward carefully managed international affairs during the Civil War and also negotiated the 1867 purchase of Alaska.

Explanation:

On March 5, 1861, Abraham Lincoln appointed William Henry Seward as Secretary of State, and he served until March 4, 1869. During the Civil War, Seward was in charge of international relations, as well as negotiating the acquisition of Alaska in 1867.

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.

it provided for equal trade rights among nations in china.