Brainliest if correct! :D Which of these replaced the barter system, and why? Coins, because they were easy to carry and could be used to assign value to goods
Trade goods, because they were more convenient and produced fairer prices
Gold bars, because they were produced by kings and made them more powerful
Crops, because they helped farmers use their surplus for things they needed

Considering the case of the two health clinics above, why do you think that trouble was brewing? there was serious competition for tech jobs at the downtown clinic. the new technology at the uptown clinic was too difficult for the staff to understand. the doctors pitted the staff of one clinic against the staff at other clinic. the staff at the downtown clinic saw that their colleagues at the uptown clinic were treated better and had more opportunity.