Efficient
When something is done in a way that achieves maximum productivity with minimum wasted effort or expense.
Guarantee
A formal promise or assurance that certain conditions will be fulfilled.
Combat
To fight against something in an effort to reduce or eliminate it.
Restore
To bring back or return something to a former or original condition.
Livelihood
A means of securing the necessities of life.
Crucial
Something that is extremely important or necessary.
Outweigh
To be more important or valuable than something else.
Catch
An unforeseen problem or complication that arises in a situation.