Aboriginal society remained mostly unchanged until Europeans arrived in Australia in the 1600's.
It wasn't until the arrival of Europeans (on any continent) did the native people begin to change, taking on and adopting European forms of society.
At their beginning, the Arabs were an incredibly weak and loose collection of cities that could have easily been destroyed by Rome, yet the long peace with Rome led to prosperity, therefore B is the answer.
Answer:
The way you address an audience will influence the way they respond to your message. By using personal touch you approach the potential client (supposing it is a client) in a more friendly way, action-oriented language catches the reader/listener's attention and avoids redundancies, confidence is a key element to show certainty about your proposal, and of course, positivity emphasizes a positive action.
