Nations balance and her allies

How do nations balance between the demands of various allies especially in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in the moments of conflictin" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in relation to America allies with the middle east but also in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in" rel="nofollow">in the same time they are allies with Israel