Answer:
Replacing the stop signs at Walnut and Birch Streets with roundabouts is the best choice. Roundabouts cost less than traffic signals and cost less money to keep up. Intersections with roundabouts have fewer accidents than those with signals or stop signs.
The correct answer is - trade.
The Sumerians engaged in trade with their move of exchanging their surplus food for materials like the copper that they needed to develop their weapons and thus their army forces. This was a very smart move from their side because they managed to use the resource they had in abundance but was scarce in the other surrounding areas so that they take what they need to become stronger and pretty much defend more efficiently from the same people they were engaging in trade with.
<u>The right answer is:</u>
A. Investors purchased the stocks with little cash down, if the price dropped the investor had to repay the loan.
<u>Explanation: </u>
<em>Buying on margin is when you take out a loan to buy a stock, this process is also called leveraging your position, it basically means having a collateral. </em>
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<em>When you buy on margin the stocks you buy are kept as collateral until you pay off the loan that makes them extremely risky.</em>
Answer:
Emperor Justinian built Hagia Sophia (Holy Wisdom) as a Church. It was a cathedral for Orthodox Christians.
Explanation:
It's D. Church. May I please have brainliest??!??