WASHINGTON — Even before the start of the war in Ukraine, an international alliance to rally the world against a Russian invasion came together so quickly that President Biden later marveled at the “purpose and unity found in months that we’d once taken years to accomplish.”
Now, with the conflict in its fourth month, U.S. officials are facing the disappointing reality that the powerful coalition of nations — stretching from North America across Europe and into East Asia — may not be enough to break the looming stalemate in Ukraine.
With growing urgency, the Biden administration is trying to coax or cajole countries that have declared themselves neutral in the conflict — including India, Brazil, Israel and the Gulf Arab states — to join the campaign of economic sanctions, military support and diplomatic pressure to further isolate Russia and bring a decisive end to the war. So far, few if any of them have been willing, despite their partnerships with Washington on other major security matters.
Mr. Biden is making an extraordinary diplomatic and political gamble this summer in planning to visit Saudi Arabia, which he had called a “pariah.” And on Thursday, he met with President Jair Bolsonaro of Brazil on the sidelines of the Summit of the Americas in Los Angeles. Mr. Bolsonaro visited Moscow the week before Russia invaded Ukraine and declared “solidarity” with President Vladimir V. Putin.
In Los Angeles, Mr. Bolsonaro pre-empted any push by Mr. Biden…