The shortage of fuel has obstacled interstate transportation.

Options

A. facilitated
B. hampered
C. burdened
D. No Improvement

Answer

B

Explanation

(2) hampered (Verb): to prevent somebody from easily doing or achieving something , hindered
obstacle (Noun) : a situation, an event. etc. that makes it difficult for you to do or achieve something , hindrance
facilitated (Verb) : to make an action or a process possible or easier
burden (Verb): to give somebody a duty, responsibility, etc. that causes worry, difficulty or hard work.
Here, hampered is the right usage.