Why do experts use one kind of explosive for steel columns and another for concrete columns?

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.

What is a major theme of harrison bergeron

How does the author use the actions of neptune over the course of the text to develop the theme? a) neptune goes out of his way to bless ulysses and his men in their attempts to journey home. b) neptune speaks to the other gods throughout the excerpt and warns them about problems caused by ulysses. c) neptune caused the deaths of the sailors by placing them in the way of the cattle of the sun-god hyperion. d) neptune causes trouble for ulysses throughout the excerpt, making it impossible for him to settle down with family.