Choose the phrase that makes each sentence parallel.

the mexican war

in 1836, texas declared its independence from mexico. mexico, however, did not officially recognize the independence. when the united states annexed texas in 1845, mexico saw this decision as an act of aggression and (ended diplomatic relations with the united states / ending diplomatic relations with the united states / diplomatic relations were ended with the united states)

the united states and mexico also had a dispute over which river separated the two countries. the united states claimed that the border was the rio grande. mexico claimed it was the nueces river, which is farther north. president james k. polk ordered general zachary taylor and his troops to the north bank of the rio grande. mexico viewed this action as an invasion of their country and (sent their troops along the rio grande / sending their troops across the rio grande / troops were sent across the rio grande)

the united states declared war on mexico on may 13, 1846. the mexican war continued until the united states and mexico signed the treaty of guadalupe hidalgo. in this treaty, mexico not only recognized the rio grande as the border between texas and mexico but also (all of what is now california, nevada, and utah was sold to the united states / they were also selling all of what is now california, nevada, and utah to the united states / sold all of what is now california, nevada, and utah to the united states). parts of wyoming and colorado became u. s. land as well. the united states paid mexico $15 million for the land.