What is one similarity between the famine and plague of the 1300s? Both lowered the population of Europe. Both were caused by weather changes. Both lowered food supplies in Europe. Both were caused by social unrest.

Correct answer is Both lowered the population of Europe.

Explanation:

First option is correct is because Black death and famine that often happened in 14th Century reduced the population of Europe according to some estimates between 40 and 60 percent.

Second option is not correct as only famine was caused by the climate and weather changes.

Third option is not correct as black plague didn't affect this, as the famine did.

Fourth is also wrong, because unrest came later, after this events.

b

explanation:

it made them more prductive and efficent but with the change of polcies less and les got into the navy