Its could mean one of a few things.
Definition 1: weather could mean the atmospheric condition, such as raining, sunny, etc.
Definition 2: to keep going through rough conditions, bare through something, as in you can take what is thrown at you.
(possible) Definition 3: The state of which a situation is exsisting.
The Mexican-American war opened up what is now the American Southwest (Arizona, New Mexico, etc) and most of California to American settlers. Following the end of the war in the mid-1800s, Mexico ceded huge swaths of land in the region which was then opened up to American settlers with California being the most popular destination.
Answer:
What are you trying to say
Answer:
they can travel 1,600 miles so it would probably be c