Which of the following was not a factor in the decline of the town of Dawson?
a.
The railroad never laid the track necessary for Dawson to ship its coal.
b.
Oil became the fuel of choice for many major industries.
c.
Strikes by coal workers (due to discontent and poor working conditions) drove up coal prices.
d.
Mechanical equipment replaced hand loading, which led to increased lay-offs to decrease costs.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893

confedracy

supported slavery

upheld the supremacy of federal laws

believed states should be able to nullify federal laws

union

wanted to abolish slavery

supported high tariffs

upheld the supremacy of federal laws