Which explains why u. s. leaders are eager to get north korea to sign the nuclear nonproliferation treaty?
a. north korea has targeted u. s. allies with threats of nuclear attacks and ultimate destruction.
b. north korea has launched a nuclear attack against the united states in the past.
c. north korea has demonstrated that it has access to more nuclear weapons than any other country.
d. north korea has the ability to fire a nuclear weapon that could reach u. s. territory.

What best describes the transportation within cities in the early 1800s

1. discovered the new world balboa 2. explored the north american southwest hudson 3. his crew was the first to sail around the world vespucci 4. conquered the incas of peru cortes 5. discovered the pacific ocean columbus 6. conquered the aztecs of mexico cabot 7. discovered fishing grounds off newfoundland pizarro 8. looted spanish vessels for england drake 9. claimed the hudson river area for dutch coronado 10. priest who explored the mississippi marquette 11. man for whom the new world is named magellan

According to the excerpt, what were the causes of world war 1? check all that apply. 1. russia’s mobilization 2. the spread of disease 3. the assassination of the archduke 4. imperialism and expansion 5. the growth of britain’s naval forces