In the United States, there are currently 45 individuals that have served as a president.
Explanation:
Although there has been 45 presidents overall, technically there has been 46 presidencies due to Grover Cleveland who was elected two times not back to back.
The Silk Road was an ancient trade route that linked the Western world with the Middle East and Asia. It was a major conduit for trade between the Roman Empire and China and later between medieval European kingdoms and China.
