Answer: Reports of the fabled Seven Golden Cities of Cíbola brought the first European explorers into New Mexico in 1540, led by the Spanish adventurer Francisco Vásquez de Coronado. The journey proved fruitless, however, and they soon returned to New Spain (Mexico).
Explanation: Hope this helps :)
They served both sides, sometimes it just depended on whose land was where.
An amendment to the Constitution must be ratified by "three-quarters of the states" although it should be noted that it is rare for this to occur in the US.
I would have to say that Justinians empire was weak after being split into. He also faced criticism for the rise in taxes due to the war effort.