It promoted it because now they wanted to fight for there county and supported it
By birth? i think? do you mean like how did they get in a certain caste? because then it would be by birth. but if you mean like what were the castes, i forget.
The best option regarding Spain's treatment of the native americans would be that "<span>C. they were treated poorly and forced to work for Spanish businesses," since the Spanish exploited both the Natives and their land. </span>
They created craft unions to present as a uniform effort and push for political support.
They opposed immiegration which was the source of labor for factories pushing craftsmen out of work.
They were not successful as factories created cheaper items at a faster rate than the craftsmen could. The country was growing economically under the factory system and owners of those industries gained political power.
Answer:
I think it is because they weren't perfect anymore.
Explanation:
