when the united states decided to build a canal across central america, panama was; when the united states decided to build a canal across central america, panama was brainly; the united states decided to try to build a canal across panama instead of nicaragua because:; explain how u.s. foreign policy at the turn of the century affected economic issues.; what effect did us entry into the war have?; when the united states decided to build a canal across central america, panama was ; which word or phrase best describes the part of panama where the canal was built?; how did the weather affect the building of the panama canal?