What are the reasons why at the end of the 19th century there was a significant decline

What are the reasons why at the end of the 19th century there was a significant decline in the development of industry in Great Britain?

You can name the following reasons:

1) Lack of resources and funds to upgrade industrial equipment;

2) The fall in the competitiveness of English goods;

3) The export of capital from the country began;

4) The ruin of the English farmers due to the import into the country of cheaper goods from the colonies;

5) The existence of duty-free trade;

6) Preservation of family businesses.