The first one is probably correct
Answer:
physical labor
Explanation:
Making Furniture requires mostly physical labor and very little mental labor. Since you need to know how to actually make it before applying all the physical labor required. Other than labor you will also need lots of resources such as wood, nails, screws, nuts, and bolts in order to build furniture. Some furniture will often need wire and spring inserts for seating, foam, and fabric stuffing, as well as high-grade textiles for seat covers.
The primary difference between barter and currency systems is that a currency system uses an agreed-upon form of paper or coin money as an exchange system rather than directly trading goods and services through bartering.
The were people that challenged the racial laws in the 1960's
