Why did the french attack the american ship?

The information box says that the han added 4,000 miles of wall.refer to the mileage scale.how can this be true?

If the outcome of the civil war has been different, how would that most likely have affected china?

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?