Answer:
i think its C but im not sure
A difficulty that had to be overcome during the building of the Transcontinental railroad was Native raiding on work camps.
The major city in ancient Ghana was Koumbi Saleh. (Where the king lived.)
Negative impacts of the sewing machine differs for most people. Some common problem are:
Destruction of eyesight- this is due to the string of the needle...when your pushing the spring into the needle thingy[idk it's nane]
Destruction of the nervous system- the reaction from the constant moving of the sewing machine disrupts the normal flow of the nervous system
Decrease your posture - this is due to the 'hitching' of the back
Increase the risk of disease such as 'gas' - persons who normal sews do not eat on time because of the amount of sewing they do per day
