What are the scope the a economics?​

What event was one of the greatest factors that led to massive emigration from ireland to the united states in the mid—1800s

What was an important effect of blackstone's commentaries of the laws of england? a. people in england no longer had to pay taxes b. common law became more accessible c. judges were able to rule as they d. the rights of the accused were done away with.

Which shows the best path to find the number of centimeters in 1 yard?