Which statement about the journey across the american continent in a covered wagon in the early 1800s is accurate?

The  trip  included   the threat  of  diseases  and  lack  of  water(Answer  B)  The  biggest  threat during  the  journey was  disease.thousand of  pioneers  died  on  the  way  due disease to  lack  of  medication  attention.  The journey  took  around   4  to  5  months  and  attack  from  native  American  Indian  were  rare.