What was the most fundamental relationship among most Native American tribes, including the Iroquois?

The long-run aggregate supply curve is

A. upward sloping. B. horizontal. C. downward sloping. D. vertical.

Table 1.1 Shows the hypothetical trade-off between different combinations of Stealth bombers and B-1 bombers that might be produced in a year with the limited U.S. capacity, ceteris paribus.Table 1.1 Production Possibilities for Bombers Combination Number of B-1 Bombers Opportunity cost (Foregone Stealth) Number of Stealth Bombers Opportunity cost (Foregone B-1) S0NA10 T1 9 U2 7 V3 4NAThe highest opportunity cost  in Table 1.1 for B-1 bombers in terms of Stealth bombers is

A. 0.5 Stealth bomber per B-1 bomber. B. 2 Stealth bombers per B-1 bomber. C. 1 Stealth bomber per B-1 bomber. D. 3 Stealth bombers per B-1 bomber.