"<span>It improves trade between different parts of the world" is the best answer, since the joining of all the nations in the EU has been trade easier for a variety of countries. </span>
Egyptians advancements were helpful because their knowledge of astronomy helped farmers to consider the time and seasons. And the mathematics portion helped with measurements of time for a calendar.
Answer: The answer is:
Rank-size rule
Explanation:
Rank-size rule is a commonly observed statistical relationship between the population sizes and population ranks of a nation’s cities.
According to the rank-size rule, there should be a larger number of small cities than bigger cities. Also, this rule predicts that the larger a city’s population is then the fewer number of cities there should be in the surrounding area with a similar population.
b france stopped all trade with the us