Why are Western powers concerned about the BRICS 's expansion?

 Western powers are concerned about the expansion of the BRICS bloc because it could catalyze the group's ability to reshape or create alternatives to existing global institutions of power

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. The bloc risks becoming more pointedly geopolitical in its bid to rebalance global power, especially as China and Russia seek to bring it on side against rising tensions with the West – something its expansion could facilitate

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The expansion of the BRICS bloc is reportedly opposed by Brazil and India because they fear that their voices might get diluted, and they have raised objections in preparatory talks for a summit in Johannesburg

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. Brazil wants to avoid expansion partly because of these worries, while India wants strict rules on how and when other nations could move closer to the group, without formally expanding it

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The disagreement about BRICS expansion also points to a deeper division within the club. India, Brazil, and South Africa have used membership to craft non-aligned foreign policy in the face of growing tensions between the West on the one side and China and Russia on the other

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The arguments in favor of the BRICS expansion are that it would represent a diverse group of nations that share a common desire to have a more balanced global order in an increasingly complex and fractured world

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BRICS seeks to be a champion of the Global South, and many developing nations are unhappy with Western-dominated institutions

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. Beijing favors rapid expansion for widespread support from the developing world

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. The expansion of the BRICS bloc could bring more diversity of perspective into the discussion on global issues

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 The BRICS grouping helps emerging powers to adapt to and actively shape the transition towards a multipolar order capable of constraining America’s room for maneuver and increasing that of emerging powers

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How would the BRICS expansion affect the political power balance in the world?