Which transportation system had the greatest impact on the united states in the period before the civil war?

railroads

canals

turnpikes

clipper ships

How would you describe the state of germany between 1815 and 1848

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.

Plz the 10 places that charles darwin stopped at to report his findings, and include dates?