Well, i think the answer would be : Standardized weight and measures
Standardized weight and measures first developed by the muslim merchants in Cairo. Before this standard, Length was measured by the length of one's body.
For example to measure silk, the usually used the term such as 1 arm length.
The thing is, many traders started to hire shorter people to measure this to gain profit , making exchange often became problematic
hope this helps
Protesters used violence and intimidation to prevent federal officials from collecting the tax
The correct answer here would be the second option.
The United Nations as an organization has been established after the World War II and its primary goal was to solve the problems on a global scale as a international organization dedicated to peace and progress. It also has a goal of preventing another disastrous conflict like the World War II.
Answer: A) Repayment of debt to France would be considered a hostile act to Britain
