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>
The free blacks were persuading slaves to rebel.
D. It allowed a nationwide organization of reporters and newspapers to share stories and help gather the new. Hope this helps :)
