Answer:
Economists have had an enormous impact on trade policy, and they provide a strong rationale for free trade and for removal of trade barriers. Although the objective of a trade agreement is to liberalize trade, the actual provisions are heavily shaped by domestic and international political realities. The world has changed enormously from the time when David Ricardo proposed the law of comparative advantage, and in recent decades economists have modified their theories to account for trade in factors of production, such as capital and labor, the growth of supply chains that today dominate much of world trade, and the success of neomercantilist countries in achieving rapid growth.
I think it's important because scientists need to be able to communicate.
Think about why you write a lab report. When we write lab reports, we are effectively communicating how we did our experiment, our results, and what we think about those results.
We need to have transparency and be able to replicate results in order to know if they are accurate to our hypothesis. Theories are not 100% proven. We only know what we are able to observe and all measurements have their limitations.
Answer: by introducing many of the ideas the Declaration later expressed
Explanation: hope this helped ✌️