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What is the most difficult thing about being a cowboy
The language barrier is usually the most difficult aspect.
I think the most difficult thing Hillary Clinton face is to serve the nation while most people stone her with bad issues.
dough
A cockroach.
turning it on! lol
"most difficult" is a personal thing. What you find most difficult someone else might find easy and also, the other way around.
Create a perputual motion machine
getting the girl drunk enough
Answered this question.
inventing things
Adverbs that can modify the past tense verb "tackled" (in a football sense) include heavily, solidly, consistently, and effectively. The adjective tackled (tackled tasks, tackled runners), from the verb to tackle, has no adverb form.