Which information source do political campaigns have complete control over? a.)public media b.) exit polls c.)investigative reporting d.)paid media

Bearing in mind that Paid media refers to external marketing efforts that involve a payment from a client, it is appropriate to state this is the information source in which political campaigns have complete control over.

When paying for this service, the political campaigns become in clients so they have the right to decide what information should be disclosed to the public and how.    

an effect of the steamboat's popularity was that people began building canals in the united states and europe. this was done to find another way to transport goods across the country and in that time, transportation using the river was very slow and dangerous. it depended entirely on manpower and the current of the river. that all changed in the late 1700's when steamboats were introduced. they soon revolutionized travel and trade through the river and dominated the waterways. eventually, other means of transportation took over from the steamboats, but there was a time that they the united states to expand to the west.

the answer is a. laws were enacted in the aftermath of the plot to make it harder to free slaves,increasing sectionalism