Although the united states had invested more than $1 billion in mexico by 1913, a. most of mexico’s 15 million people were prosperous landowners. b. most of mexico’s 15 million people were landless and poor. c. its president, porfirio díaz, discouraged foreign investment. d. its president, porfirio díaz, was in office only briefly.

. political or economical policy that isolates a country from participating in international relationships. it has been suggested that the united states participates in isolationism because of its lack of involvement in particular wars or alliances.

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.

islam spread slowly through much of africa through trade and preaching.