Who is the leading american playwright of current era, whose plays, including ma rainey’s black bottom, fences, and the piano lesson, concern an entire twentieth century history of black america?
august wilson
langston hughes
amiri baraka
lorraine hansberry

executive, (president and about 5,000,000 workers) legislative (senate and house of representatives) and judicial (supreme court and lower courts)

explanation:

1.) irish.

2.) settlers could obtain cheap land nearby

3.) steam engine

explanation:

paper money known as continental currency, or continentals.