Which is a feature of proportion in design

One central theme of phillis wheatley's "on being brought from africa to america" is that

What was the national government’s biggest concern if facing a war, under the articles of confederation? the national government had no national military. the country had grown too large to defend with a small army. the states would not back the federal government. there was no way the states would pay for fighting a war.

Who memorized the design for the water frame in order to smuggle the plans to the united states? a) james hargreaves b) edward cartwright c) samuel slater d) richard arkwright