<em>Because/ Since/ As</em> Neel enjoys growing fruits and vegetables, he volunteers at the community garden.
Shonda is not allowed to get her ears pierced <em>until</em> she turns thirteen.
<em>Unless</em> you return my sweater, I will not lend you any more clothes.
Answer:
Failure for steel production...
Explanation:
I think the answer would be reassure white american settlers that the frontier was safe and peaceful.
Hope this helps