Tribute items typically included warrior costumes and shields, tropical feathers, copal incense, paper, foodstuffs, and animal products. Official tribute collectors, known as calpixque, were located in each of the conquered provinces and ensured that payments were made as required.
Most forms of paper currency, regardless of monetary value, possess a watermark which could be found when the bill is held up to the light. The watermark usually depicts a famous citizen of that nation or denomination numeral.
President Lincoln's First Inaugural Address focused on reassuring the Southern states that the president would not try to strip them of their slaves and that he would try to find a way to help them secure slavery if it would make them happy.