Specialization allows nations to engage in which of the following? A producing goods to be bartered rather than bought

B. purchasing goods and resources without trade barriers

C. purchasing goods they cannot produce from other nations

D. producing goods and services without regulatory oversight​

1) union forces launched a surprise attack.

2) more confederate troops arrived by train.

3) union forces retreated.

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

< 3

tell him great job!

explanation:

travels along an axon. this triggers a wave of electrical activity that passes from the cell body along the length of the axon to the synapse