Radio was a crucial mode of communication in the early 20th century
The supporters of the ratification of the Constitution were called Federalists. This means that they supported a loose interpretation of the Constitution.
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A major invention that led to a profound change in preindustrial society was the <u>Plow</u>.
Thanks to the plow:
- Increased the ease at which cultivation could be done.
- Decreased the time taken to farm.
As a result of the plow decreasing time taken to work in agriculture, people were able to engage in other activities instead of just farming. This led to the introduction of other economic activities.
In conclusion, the plow was immensely helpful to preindustrial society.
<em>Find out more about the </em><em>plow </em><em>at brainly.com/question/1266843.</em>
<span>The correct answer is
the fourth statement. The factor that increased trade under Mongol rule is construction
and protection of roads that ensured safe and easy travel. Mongols guaranteed
safe passage for traders, missionaries, and travelers (for example Marco Polo)
and the trade flourished causing the Mongols to gain incredible wealth taxing
the trade. </span>
