The answer is the Transportation Revolution
The correct answer is political stability. The Roman Republic was able to expand because its p<span>olitical offices and institutions were designed to prevent any one man from becoming too powerful.As a result, they were resilient enough to support the expansion of the Roman Republic.</span>
The famous person who was defeated seven times in his political career was Abraham Lincoln. He was defeated for the legislature in 1832 then defeated in run for the Illinois House Speaker in 1838. In 1843 he lost in nomination for Congress and again lost in his re-nomination to Congress in 1848. He was defeated for Senate when legislature in Illinois elects Lyman Trumbull in 1855. In 1856 he was lost in nomination for Vice-President and in 1858 he wins Senate’s popular vote but loses election to Stephen Douglas.
The answer would be C as the Neolithic Revolution is also called the First Agricultural Revolution