Question: 17. all the states of the world united in one government is the salvation of the world
Answer: --> 17. All the states of the world united in one government is the salvation of the world

Question: there is a little list of issues:
Answer: --> There is a little list of issues:

Question: in 1920 mazurkiewicz and sierpinski became editors of fundamenta mathematicae and polish mathematics was flourishing.
Answer:
--> In 1920 Mazurkiewicz and Sierpinski became editors of Fundamenta Mathematicae and Polish mathematics was flourishing.