Checks and Balances is the answer you may be looking for.
Spain and Portugal.
The Treaty of Tordesillas<span>, (June 7, 1494), agreement between Spain and Portugal aimed at settling conflicts over lands newly discovered or explored by Christopher Columbus and other late 15th-century voyagers was ignored which caused the conflickt.</span>
A. Immigrants received help and could stay in America
It will have an increase of demand for many medications, causing more jobs in the Pharmaceutical industry.
