Because that was there best chance to gain a profit and there was fresh new oil under the water<span />
Kingdom of Castile, Kingdom of León, Crown of Aragon, Kingdom of Navarre, Kingdom of Granada,
House of Bourbon
(Anjou Branch),
Pillars of Hercules,
Imperial crown (Holy Roman Empire),
Spanish Royal crown
(Heraldic crown) are all in the code of arms and Castile,León, and Aragon all influenced the flag.
however some of these are just symbols and not kingdoms. such as House of Bourbon,
Pillars of Hercules/the straight of Gibraltar,
the Imperial crown, and the Spanish royal Crown. All the others are kingdoms however. Hope this helped. :)
Increased production of military products
Answer:
1. Atomic number
Explanation:
I'm not to sure about the second one
Answer:
Third choice since the very reason of US intervention was the fear of the "Domino Effect." Hoped it helped!