effect - n., the result or change caused by something (“The storm had a serious effect on the economy.”)
affected/affect - v., to produce an effect on; to influence (“A lack of sleep affected the singer’s performance.”)
export - v., to send to another country; n., something sent to another country, usually for sale
import - v., to bring from another country; n., something brought from another country, usually for sale
travel - v., to go from one place to another, usually for a long distance