Taft was in favor of lower tariffs while TR wanted higher tariffs. Roosevelt was in favor of a national income tax, but Taft did not like the idea. It was the rift between Roosevelt and Taft that led to a schism in the Republican Party. This led to the victory of the Democrat Wilson in the 1912 Presidential election.
"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."