The dispute was settled when they split the line in present-day Brazil, in which Portugal was given the eastern part of Brazil, while Spain got the Western part of South America in ~38 degree parallel (1493) to the 46 degree parallel (1494)
The dispute between Spain and Portugal over the lands in South America was settled with the signing of the Treaty of Tordesillas which saw south America divided equally along the Atlantic ocean between Spain and Portugal.
All the lands west of the line was given/controlled by the Spanish while all lands lying to the west of the Cape Verde islands / east of the line was controlled by the Portuguese. this helped to end the dispute between both nations on who owes the lands in South America.
There was a recession when Nixon took office. He essentially came in and helped clean up the economy. To answer your question the condition, of the American economy, was poor.
The first two of them focus on monotheism, since they say: 1- "I am the Lord your God, who brought you out of Egypt, out of the land of slavery. Thou shalt have no other gods before Me.”