Neolitihic revolution refers to the revolution that transform mankind's lifestyle from hunting/gathering into agricultural.
In an agricultural society, each member need to coordinate with one another in order to determine land's ownership and trading regulations.
Because of this, a mediator such as government is needed in order to make everything fair.
Answer A ::::Due to Global Warming,its getting more difficult to do farming in Australia.That is why number of farms and number of farmers has decreased over the years.Second reason for decrease of farmers is more machines being used farming .
Answer B ::::(1) global warming
(2 ) mechanisation/more machines
Answer C :::::Benefit : modern farming technique and equipments reduces the need of extra labors which was required earlier.
Disadvantage ::Australia does not Genetically Modified (GM) crops import from any country.Excessive use of chemicals by the use of machines has decreased fertility of the Australian soil.
Evidence #1 first example/ piece of evidence that's supports your claim
evidence#2 ^ same as number 1
evidence#3^same as #1
and then the summary/ conclusion sentences
in a sentence or two restate your claim / argument
