Which of these roadblocks are internal roadblocks?

Match each excerpt with the type of essay it represents. tiles persuasive descriptive expository narrative pairs type example modern art comes in all forms, shapes,and sizes. generally, the era known as the modern art movement includes paintings, sculptures, and other artwork created from 1880 to 1945. artwork produced during this period became progressively more abstract and less realistic. in the early part of this period, artists experimented by interpreting color, shape, and form in unique ways that represented their own visions rather than nature. at the height of the modern art movement in the early 1940s paintings and sculptures were completely abstract, with no recognizable objects. two interesting movements of this era include cubism and abstract expressionism. arrowboth

Ineed on this app i was at ambitious but then all of the sudden i got put back to about 30 points. is there something i can do about this, because i lost all of my progress in this app.

Which of the following is an example of a periodical?