The correct answer is cars.
The development of the Eisenhower Instate System during the 1950's resulted in the creation of an enormous amount of interconnected freeways and highways throughout the United States. With these new roads available, there was a significant increase in buying cars. This is because now citizens could travel from city to city and state to state on a much easier basis than ever before.
Historians today consider the period preceding the Renaissance to be the Middle Ages, which effectively began with the fall of Rome in the fifth century and lasted for some eight or nine centuries. ... Following the Renaissance, the world started changing in several significant ways
Members of the Immigration Restoration League wanted<span> lobbied Congress to control the immigrant population with legislation.</span>
<span>The United States. With 41 million native speakers of Spanish and another 11.6 million who are bilingual, the United States has become the world's second-largest Spanish-speaking country, according to a 2015 report of the Cervantes Institute. It is second only to Mexico and is ahead of Colombia and Spain in third and fourth places.</span>
Admiral Alfred T. Mahan's attempt to expand United States military strength did not include: Forming an alliance with Spain
Admiral Alfred T. Mahan attempts were focussing on increasing and improving United States' internal bases, such as acquiring<span> the territory of Hawaii, </span>Building a canal across the Isthmus of Panama, and establishing Caribbean naval bases.