Answer: trade
During the early middle ages, most trade was carried out by pedlars who travelled between towns and villages. However, by the 12th century, Europe became more prosperous. Busy trade routes developed between major cities of the continent. One of the contributing factors were the Crusades, which brought goods from faraway places to Europe, encouraging trade. With the rise of trade, living standards improved. It also gave rise to the first banks.
A renewable resource is infinite (E.X. solar and wind energy) but a non renewable resource will eventually dissapear. (E.X. fossil fuels and coal)
Look up the Treaty of Versailles. The allied groups got together and put limits on their army and charged them for the distraction after the war. The treaty made Germany say they were responsible for the war
The answer is a mild level of intellectual disability. The mild level of intellectual impairment has been determined by a tested IQ level of 50 to 55 to approximately 70. People categorized under this level are slower than the normal person in all developmental areas, they are still able to do daily life activities, there are no visible/physical characteristics, able to do reading and math skills up to grade 3 until 6, they can socialize and can function daily.