The oven temperature for baking of different baked goods may vary so set correct temperature according to your oven nature.
Proofing and kneading the bread properly is the most needed for a soft and fluffy bread.
Proofing the yeast is the very important if the yeast does not proof then either yeast may be out of date or you have not used warm water.
If the liquid is too hot then yeast will not rise.When you dip in your finger you should be able to sustain the heat.