Word formation

Read the text below. Use the word given in capitals at the end of each line to form a word that fits in the space in the same line.
There is an example at the beginning (0). Press "Check" to check your answers.
The contemporary history of football spans almost 150 years. It all began
in 1863 in England, when the first Football Association was founded.
(0) Historically football is related to at least half a dozen HISTORY
(1) games. Nevertheless, the fact remains that the game of DIFFER
playing a ball with the feet has been in (2) for thousands of EXIST
years and there is no reason to believe that it is a (3) TRANSFORM
of the more (4) form of playing a ball with the hands. NATURE
The game that was popular from the 18th to the 19th centuries belonged
to the "mob football" category, where the number of players was limited
and the rules were not (5) defined (for example, according STRICT
to an ancient handbook any means could be used to get the ball to its
target, with the (6) of murder, of course).
There was almost no progress at all in the (7) of
football for hundreds of years.
But, although the game was persistently forbidden for 500 years, it was
never (8) suppressed. As a consequence, it remained
essentially rough,(9) and disorganized. VIOLENCE
The change came in the 19th century when school football became
the custom, particularly in the (10) public schools.