I believe the name is just, The Brazilian National Anthem.
<em>Labour unions were not very successful in achieving their goals in the 1800s.</em>
Workers organized unions to solve their problems.Their problems were <em>low wages</em> and <em>unsafe working conditions</em>.
The tactics used by labour unions were <em>strike </em>and <em>collective bargaining</em>. The disagreement between the needs of the employers and the demands of the employees gave rise to the evolution of the unions.The workers could not only bargain for their <em>salary</em> but also <em>working conditions</em>,<em>job security</em> and <em>benefits</em> through the <em>union</em>. Initially,workers formed local unions in single factories.These unions used strikes to try to force employers to i<em>ncrease wages </em>or make <em>working conditions safer</em>.
The answer should be A) .
