American and British English grammatical differences

Some of the most notable differences between American English and British English are grammatical. == Subject–verb agreement == In British English (BrE), collective nouns can take either singular (formal agreement) or plural (notional agreement) verb forms, according to whether the emphasis is on the body as a whole or on the individual members, respectively; compare a committee was appointed with the committee were unable to agree.

Source: Wikipedia — American and British English grammatical differences (CC BY-SA 4.0)