Please tell me which one is correct?
Please tell me which one is correct?

To have doubts towards dollars long term prospects
To have doubts towards dollar’s long term prospects
To have doubts about the dollars long term prospects
To have doubts about the dollar’s long term prospectssorry, those are the full sentences.
The recent American debt crisis has caused even more people to have doubts towards dollars long term prospects.
The recent American debt crisis has caused even more people have doubts towards dollar’s long term prospects.
The recent American debt crisis has caused even more people have doubts about the dollars long term prospects.
The recent American debt crisis has caused even more people have doubts about the dollar’s long term prospects.

Question

Please tell me which one is correct?
Please tell me which one is correct?

To have doubts towards dollars long term prospects
To have doubts towards dollar’s long term prospects
To have doubts about the dollars long term prospects 
To have doubts about the dollar’s long term prospectssorry, those are the full sentences.
The recent American debt crisis has caused even more people to have doubts towards dollars long term prospects.
The recent American debt crisis has caused even more people have doubts towards dollar’s long term prospects.
The recent American debt crisis has caused even more people have doubts about the dollars long term prospects.
The recent American debt crisis has caused even more people have doubts about the dollar’s long term prospects.

Answer

None of those are full sentences, but the first and third are incorrect because 'dollars' has no apostrophe. The second one is incorrect because "dollar's" is singular and there is no article. So only the last one can be used in a sentence.

Answer

The way I would say it is:

The recent American debt crisis has caused even more people to have doubts about the dollars long term prospects.

Adding 'to' between 'people' and 'have' makes the sentence more coherent.

Answer

thank you very much: )

Answer

Thanks Judy. The last one is still correct. :-)

Answer

sorry, those are the full sentences. 
1. The recent American debt crisis has caused even more people to have doubts towards dollars long term prospects. 
2. The recent American debt crisis has caused even more people have doubts towards dollar’s long term prospects. 
3. The recent American debt crisis has caused even more people have doubts about the dollars long term prospects. 
4. The recent American debt crisis has caused even more people have doubts about the dollar’s long term prospects.