Why did European overseas voyage upset the Portuguese?

Yearning for freedom, cubans repeatedly rebelled against spanish rule. arrange the events that led to the spanish-american war in chronological order. - mckinley warns spain to quickly establish peace - spain's ambassador calls mckinley "weak and stupid" - yellow press reports heightened public dislike for spain - mckinley seeks authority to use force against spain - u.s. battleship maine explodes in havana