When did the united states adopt the brinkmanship policy

The north gained control of the northern part of the mississippi river once grant captured the city a. memphis b.vicksburg c. chattanooga

Was the amassing of men, equipment, and supplies for the 1944 invasion of europe. operation varsity operation nordwind operation dragoon operation overload operation torch

What did this mean for dred scott? a.scott was not a citizen of the united states. b.scott was the property of the federal government. c.scott had no right to sue for his freedom in court. d.scott was considered the property of the slaveholding family.