Complex sentence: In the 19th century there was a change in the attitude towards alcohol due to continued discipline problems in the navy and in 1824 the size of the tot was halved to a quarter pint in an effort to improve the situation.
Split into simpler sentences: In the 19th century, there was a change in the attitude towards alcohol due to continued discipline problems in the navy. In 1824 the size of the tot was halved to a quarter pint in an effort to improve the situation.