Give the most space to *
a. the largest vehicle
b. the fastest road user
c. a potential drunk driver
d. the biggest hazard

The most space should be given to the biggest hazard.

Hazard is regarded as something that causes harm. From the options given, when one is driving, enough space should be given to the biggest hazard in order to prevent accident or even death.

The bigger the hazard, it should be noted that the more space that should be given to such. The largest vehicle, a potential drunk driver and the fastest road user aren't as hazardous as the biggest hazard.

In conclusion, the answer is "the biggest hazard".

Read related question on:

link

answer:

the foreign corrupt practices act of 1977, as amended, 15 u.s.c. §§ 78dd-1, et seq. ("fcpa"), was enacted for the purpose of making it unlawful for certain classes of persons and entities to make payments to foreign government officials to assist in obtaining or retaining business

explanation: