Burea of labour statastics
"They developed an extensive system of paved stone roads" is the one factor among the following choices given in the question that a<span>llowed the Incas to use their military efficiently. The correct option among all the options that are given in the question is the first option. I hope the answer helped you.</span>
B. In a unitary system there is only one type of government; in a confederal system there are multiple types of governments.
England won the battle of Poitiers!
The reason why the Americans moved Westwards was in order to
- gain more lands
- economic expansions
- mining
- Infrastructure
<h3>What was the Westward movement of the United States?</h3>
This was the movement of Americans in the 18th and the 19th century towards the areas that were West of the Pacific.
The reasons for the movement was due to the fact that a lot of opportunities were present in the area.
Read more on the Westward expansion here:
brainly.com/question/245803
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