Unions have been in decline since the 1960s because of
a. unions shutting themselves down because they achieved most of their original goals.
b. foreign competition.
c. the move of businesses to more expensive areas of the nation.
d. americans finding union jobs to be too difficult.

the correct answer is "b" i just took the penn foster test

Which of the following businesses is most likely to disrupt an existing industry? a. closer connex developed an earphone that receives emails and text messages and converts them to voice messages. the first models had poor reception, but they rapidly improved over time. b. mega technologies reconfigured the components used in its touchscreen tablets to create a new type of wearable device for use in restaurants and other service industries. c. particle inc. developed a teleportation technology that can transport physical materials instantaneously across great distances. d. altrea added advanced camera technology to its premium line of smartphones so that they would take the highest-quality photos of all phones on the market.