They allowed for travel against a rivers current Hope this helps! ;D
Answer:
The extent to which the process of empire-building in Afro-Eurasia between 1860 and 1918 was affected by railroads was great. ... Empires who were losing influence relied on building railroads to consolidate power at home and to try to get rid of foreign influence.
The Industrial Revolution started in Britain in the 18th century and led to incredible British wealth and power. As the tools and products of industrialization like railroads and steam engines spread across western Europe and the United States, they too grew in economic strength and power
Explanation:
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I believe it would be B polis
The Senate gives small states equal representation, because the Senate is about representing the states. The House is about representing the people directly.
<span>B) poorest 40% of the world's population accounts for 5% of global income
</span>The statistic that reflects the nature of global poverty and the disparity of wealth between richer Nations and poorer Nations is that poorest 40% of the world's population accounts for 5% of global income. This statistic shows how the global income is distributed in an unequal way, concentrated mostly in rich countries and even richer people.