Which states would probably not be a part of the US if it wasn’t for the Oregon Trail?

The places we now know as Washington, Oregon, California, Nevada, Idaho, and Utah would probably not be a part of the United States today were it not for the Oregon Trail. That's because the Trail was the only way for settlers to get across the mountains.

for (a) a tragedy was considered a main greek drama and it influenced alot of others. for (b) the actors in greek theater were named as aeschylus, sophocles, and euripides and sometimes playwrites. for (e) in a semi-circular theater called the "orchestra.". we'll the question was explain where the namer actors originated.

hope this : d

the answer is "by providing data about careers and annual mean wages"