- И консерваторы и лейбористы утверждают, что существующая избирательная система лучше, чем любая другая, потому что она обеспечивает (поддерживает) господство этих двух партий.
-And the Conservatives and the labour party argued that the existing electoral system better than any other, because it provides the (support) the dominance of these two parties.
- And the Conservatives and Labour argue that the current electoral system is better than any other, because it provides (support) the dominance of these two parties.
- And conservatives and hope that the existing electoral system is better than any other, because it provides (supports) the rule of these two parties.