According to muslim belief, muhammad was praying in a cave when he had a revelation in which he was told to-
a. preach that there was one true god
b. found the holy city of mecca
c. conquer the arabian peninsula
d. build a shrine for pilgrims to visit

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.