Can someone please help me with math.

How did rhe transcontinental railroad effected westward migration

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

In harriet's country, the ten provincial states that make up the nation hold the majority of power, with a small central government handling foreign policy and trade. harriet lives under a government best described as which of the selections listed below? select one: a. parliamentary b. federal c. confederal d. unitary