UK and US both have private central banks. This is true for all G8 countries if I remember correctly.

Most income taxes collected in the US/UK go directly to these private organizations.

In many ways slavery in the US was 'abolished' in 1865 then a revised version (aka perpetual debt slavery) was adopted in 1913 at the tail end of the US-China opium trade induced economic boom and expanded by both parties in the decades that followed.