What did mahan mean when he called for the need to look outward

What was the result on the u. s. economy because of the major changes in atlantic shipping prior to and during the war of 1812?

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 event occurred in 1943 and to make the allied victory possible choose all answers that are correct