The most relevant responses that illustrate how the automobile impacted the American landscape are:
A - Houses were built with the inclusion of garages.
B - The automobile led to the construction of paved roads.
C - Rural families could travel to cities for entertainment.
Each of these options reflects significant changes in infrastructure, urban planning, and social dynamics brought about by the rise of the automobile. Option D, while related to transportation, does not directly relate to the landscape impact of the automobile itself.