Please ASAP will give brainliest! Can some one please help me with this?

This is for 2021 AP World History: Modern on Edge

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government

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.

How are isolationism and nativism related ? in the 1920s what actions did americans take that reveal their distrust of others