What were Swahili stonetowns?

Which piece of information would most a historian create an interpretation of this photograph of works in a factory?

At a trade meeting, country a and country b, which are trade partners, agree to remove trade barriers to stimulate economic growth. they sign agreement stating that tariffs on all goods will be removed. some groups in country b protest the agreement because they think it will lead to excessive in some industries, which will threaten companies and jobs.

1. was “labor violence” inevitable and unavoidable ? what factors played into causing much of the confrontation between unions and big business. 2. what were some of the different and mutual demands of the various national unions? what tactics did they employ to realize their demands? 3. when viewed from the perspective of the corporations, what do you think they were so adamant in opposing unions?