Answer:
Most strikes are undertaken by labor unions during collective bargaining. The object of collective bargaining is to obtain a contract (an agreement between the union and the company) which may include a no-strike clause or penalizes the union and/or the workers if they walk out while the contract is in force.
Peter the Great's primary goal was to strengthen its government and increase power.
Limits on U.S. and Soviet weapons (hence the title "Strategic Arms Limitation")