Which technology was orginally predicted by a science fiction

It is true that prior to 1914 the united states often had been disturbed by events in other continents. we had even engaged in two wars with european nations and in a number of undeclared wars in the west indies, in the mediterranean and in the pacific for the maintenance of american rights and for the principles of peaceful commerce. but in no case had a serious threat been raised against our national safety or our continued independence. what is the theme of this excerpt? a. the responsibility for americans to avoid involvement in war.b. america’s history of international involvement.c. a new kind of threat to american security.d. america’s history as a peaceful nation.

In the first line of each stanza, the author follows the pattern of a noun followed by a pair of adjectives. what is the purpose of this pattern?

Hur ! asap what is the structure of the following sentence? although i have already visited africa, i would certainly like to return. a) compound b) compound-complex c) complex d) simple