Answer:
stones, soil, sand and bricks
This is true because they only rely on their trades more than anything
Answer: People didn't cross picket lines to show solidarity in an attempt for better wages, better working conditions and various other things that would or could make their lives better.
Explanation: Back in the 50's and 60's when unions were very strong, you were considered a "scab" if you crossed a picket line. You took a chance of being hurt, harassed by other strikers and you showed you were not a team player.
Austrian Empire controlled the city of Venice before the unification of Italy.
