For how many years did Rome have gladiator fights? A. 140

B. 668

C. 843

D. 385

Which of the following was probably the most difficult challenge facing construction of the railroad?

How did the construction of the erie canal improve transportation in the united states in the 1820s? a. the canal connected the great lakes to the mississippi river. b. the canal connected the great lakes to the ohio river. c. the canal connected the atlantic and pacific oceans. d. the canal connected the great lakes to the atlantic ocean.

Which of these is not a purpose of the constitution as explained in the preamble? • to make a better country • to keep states more powerful the the u.s. • to keep peace in the country • to protect freedom