Interstate highways and Hartsfield Jackson international airport
To cause a source to be biased means that it is influenced by your opinion or another factor that is not factual. Bias can take away from the credibility because it is not completely true, as a source should be.
The option is D.
The best example of this is colonial
India, where several famines happened under British Rule, being the
first major of it in 1770, in the region of Bengal, where about
a quarter or a third of the population starved to death in a ten-month
period, and East India Company's raising of taxes to farmers
disastrously coincided with this, exporting
the majority of the crops to Europe, and leaving poor most of the population that was employed in agriculture in that moment.