Portugal's Main Concern During the Imperial Period Was

Portugal's main concern during the imperial period was

A) to prevent Germany and France from keeping the few colonies the Portuguese still possessed..
B) to maintain a friendship with Britain so its ships could use the Suez Canal.
C) the threat of being incorporated into Spain while other European countries were preoccupied with Africa.
D) trying to hold on to more land in Africa than Spain possessed.
E) maintaining their pace of industrialization at home.