Why did william seward want the united states to purchase alaska?

The answer is  William knew there was gold there so he wanted the us to buy it and make it there land where they keep the gold

The native americans, spanish, french and americans all name places in our state. the word “arkansas” came from the quapaw indians, by way of early french explorers. at the time of the early french exploration, a tribe of indians, the quapaws, lived west of the mississippi and north of the arkansas river.