Which sentence uses appropriate punctuation?
helen arrived unannounced when the house was a mess and we weren't ready for visitors.
helen arrived unannounced. when the house was a mess and we weren't ready for visitors.
helen arrived unannounced, when the house was a mess, and we weren't ready for visitors.

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.

Rev. simon hosack] entered fully into the feeling of suffering and sorrow which took possession of me when i discovered that a girl weighed less in the scale of being than a boy, and he praised my determination to prove the contrary. which best describes society's view of boys' and girls' abilities during the period in which elizabeth cady stanton lived?

5. how might the statement, “the almighty has his own purposes” (line 39) relate to lincoln’s purpose in giving this speech?