Add spaces: Thewealthyarefightingtokeeptheirwealthandtherebytosafeguardthemselvesagainstdestitutionandslavery.

Answer: The wealthy are fighting to keep their wealth and thereby to safeguard themselves against destitution and slavery.

Add spaces: Appsorwebsitesthatarefreeforanyonetouse.

Answer: Apps or websites that are free for anyone to use.

Add spaces: Thestoriesaboutlargegroupsofgiftedmusicians,architects,navigators(27),doctorsetcthatarrivedperboatfromasinkingislandintheWesthavebeencontainedontheBritishIslesin,forexample,oldlegendsandafewIrishnovels.

Answer:
The stories about large groups of gifted musicians, architects, navigators (27) , doctors etc that arrived per boat from a sinking island in the West have been contained on the British Isles in, for example, old legends and a few Irish novels.