Answer:
B. gain commercial/economic advantages in China
Explanation:
One of the major reasons European nations established spheres of influence in China in the 19th century was to gain commercial and economic advantage in China.
They were aware that China was a key nation with numerous potential so the European nations began to extend their tentacles of influence to China to tap into those potentials.
If there is a general favor towards certain people, if he were to select otherwise, then people would think he was biased. This would result in a bad reputation towards him, with a worst case leading to him being impeached if the public sees enough corruption.
A. Exporting oil to Israel,
Because, during the 1973 Arab-Israeli War, Arab members of the Organization of Petroleum Exporting Countries (OPEC) imposed an embargo against the United States in retaliation for the U.S. decision to re-supply the Israeli military and to gain leverage in the post-war peace negotiations.
I'm not sure though