sentences:  However, they again demonstrated their strength with general strikes and demonstrations during the lead-up to the restoration of civilian government in 1983.Argentine workers' right to strike is protected by law, but unauthorized demonstrations have involved direct conflict with police in recent years.Argentina's relatively inflexible labour market has been cited as a component of the country's high unemployment problem, and in the 1990s the government struggled to introduce labour laws which, among other things, would reduce the ability to bargain collectively above the enterprise level, and increase labour market flexibility.