Sentence relationships in a text

P.R connect the sentences where possible

What are the arguments for and against private vehicles? What is your opinion in this matter?

(1)Private vehicles play a key role in our lives. (2) AS They provide independent transport, freedom and many jobs for people. (3) AT THE SAME TIME, HOWEVER, However, They cause pollution, traffic jams, noise and death as well.
(4) FIRSTLY, Private transport, especially the car, gives us freedom to move. (5)So we no longer need to organise our lives around bus or train timetables. (6) IN FACT, Many people think that their cars are indispensable machines. (7) THAT And they cannot live without them. (8) FOR EXAMPLE For instance, people who live in rural areas need private vehicles to go to towns for shopping, socialising, taking children to schools, etc. (9)Without a car their lives would be very difficult. (10) And they would be forced to rely on infrequent public transport, if it existed at all. (11) THAT IS WHY Thus, many families who live in the country have one or more cars. (12) Otherwise, they would be cut off from the rest of the world. (13) HENCE, For many people a car is a necessity.

Notes
Sentence 1 and 2. We can also use because and since.
Sentence 3. At the same time emphasises the contrast. Notice the change in rhythm of the text if you leave it out.
Sentences 4 and 5. This is a different way of saying therefore, accordingly, etc.
Sentence 6. We should also have of course and indeed. If we put Moreover, or words or phrases with a similar meaning, it is correct. It just changes the relationship as regards meaning between the two sentences.
Sentence 7. There are many variations here. We should have:
Many people think that their cars are so indispensable that they cannot live without them.

Man people think that their cars are so indispensable machines. As a result/ Consequentli/ etc, they cannot live without them.
Sentence 11. See Sentences 4,5,7 above.
Sentence 12. Note that otherwise is an adverb. We can have a semicolon or a full stop here.
Sentence 13. We could also use Thus, Therefore.