Answer:
A. Model T Ford
Explanation:
The Model T Ford was produced from 1908 to 1927. It was the first affordable automobile, due to the use of assembly line production instead of individual hand-crafted work. Because it was so affordable, it caused a major shift in Americans' living patterns in the 1910s. It allowed more Americans to get from one place to another quickly.
The Atlantic Ocean. Its the ocean that connects North and South America to Europe. Most early explorers came from Europe and "discovered" the Americas. The slave trade as well as spice trade used the Atlantic ocean because it's the most direct way from most of Europe.
Richard Lawrence was an emu of President Andrew Jackson during his presidency.
Wildly enough, may look back at the Cold War with fondness as it represented a time when the US knew who its enemies were. This is contrast to the state of warfare today where the US is fighting terrorist groups around the world.