Can someone tell me if this answer is right because i'm not too sure

The transcontinental railroad runs from the to the i. north ii. south iii. east iv. west a. i and ii b. ii and iii. c. iii and iv d. ii and iv

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f

Why did un coalition troops battle iraqi forces in 1991? iraq had invaded saudi arabia, along with its other border nations.iraq had invaded kuwait, which was a major source of the world's oil.the united nations wanted to remove saddam hussein from power.the united nations wanted to prevent the trade of illegal drugs.