What steps did the Incas take to unite empire

The steps taken by Incas to unite the empire in the given options are: 1) They built a vast network of roads, bridges, and tunnels. 2) They imposed their language and religion on conquered peoples.

Explanation:

hello!

according to the passage the most suitable options are two. the first one is "by leading the aef to victory in several key battles" like the battle of saint- mihiel and the battle of cantigny mentioned in the passage you copied here. the second one is "by the aef and allied forces defeat germany" since the passage says that his army destroy the german resistance in the meuse- argonne offensive. and also, "by insisting that the aef operate as an independent force".

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