Two artifacts that scientist found in mounds.

Pottery and tools.

Explanation:

The first large scale of civilization in America was the Mississippian culture. They built mounds for several purposes including religious, ceremonies and residence purpose for the elite group. Mounds are very much associated with the Cahokia located in present location in Illinois. Many artifacts have found at the Cahokia Mounds. Some of them include tools, stones, pottery, shells, knives, and arrowheads.

the catholic church withhold people's access to the bible during the middle ages.

people could go to church and listen to the teachings, but it was absolutely forbidden to own and/or read the books of both the old and new testaments. it was also prohibited to translate the books (which where originally in biblical hebrew) to any other language.

this was done so the church could remain in control of what their teachings were and to enhance their importance and power, while also being able to judge people's actions through information that was unavailable for the general public.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: