Answer:
The answer should be: Companies replaced hand-operated brakes with air brakes on trains.
Explanation:
You have to think how hard it was for trains to stop with hand operated brakes. Trains go fast, and not stopping in time can be dangerous. Hope this helped :)
Separation of powers is a doctrine of constitutional law under which the three branches of government (executive, legislative, and judicial) are kept separate. This is also known as the system of checks and balances, because each branch is given certain powers so as to check and balance the other branches.
They have a command economy because the government regulates each aspect of the economy.
The major causes of population growth in England during the 1800s was due to the decline in mortality rate and the introduction if New crops such as potatoes
<h3>Population growth and its Effect in England in the 19th Century </h3>
The Population of great Britain at the start of the 19th century was about 10 Million.
This was as a result of the low mortality rate occasioned by low death rate and introduction of new crops
Population growth accelerated and had a market-expanding effect to a large extent and hence triggering the industrial revolution.
learn more about Population growth at brainly.com/question/1437549
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Answer:
Afghanistan usually trades with it's neighbors, including Pakistan and Turkey. They trade things such as fruits, nuts, and handwoven carpets for machinery and other capital goods, food, and textiles. They trade with Pakistan and other neighboring countries so they can receive goods that aren't commonly found in Afghanistan.
