How did the Treaty of Tordesillas “salvage” Portugal’s claim to lands in the New World (Western Hemisphere)?

Hoping to salvage Portugal's Atlantic holdings, King João II began negotiations with Spain. The resulting Treaty of Tordesillas in 1494 drew a north-to-south line through South America; Spain gained territory west of the line, while Portugal retained the lands east of the line, including the east coast of Brazil.

Explanation:

Hope this helps:)

depending on what kind of map for example a pltical maps works in many ways this iss how it works it shows the areas and places the democratics and the repbulcicans reside for example if   texas chooses trump for president there a republican state and if   califronia chooses hillary there a democratic state.