Compare relative advantages of protectionism and free trade

1. Should protectionism be seen as a: Short-term, Permanent, Measure? 2. (connecting 1)What is the historical evidence? 3. Free trade — what are the advantages for a country? 4. (Connecting question 3) Must it be completely free? must it be limited? 5. what is National development plans? 6. (Connecting question5) Are they socialism? Can they be reconciled with a market economy? 7. Which sectors of the economy should or could be: Guided and Financed By governments?