In the U. S. in the 1830s, miles of track had been laid. By the 1860s, miles of track had been laid.

a.40,000 and 30

b.30,000 and 30

c.40 and 30,000

d.400 and 40,000
i think it's c for anyone who needs it but if i'm wrong correct me

d) a week

because the land run of 1889, although not without precedent in the history of the west, further, their men were aboard the first trains, ready to jump off and begin staking their claims. oklahoma city, edmond, and guthrie were all so affected.

b.lincoln had the victory he wanted for emancipation

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress