What is the fine-grained topic of the following text: America’s international marketing campaign to blacklist China’s Huawei Applied sciences Co. is dealing with a significant problem on Europe’s japanese flank, the place international locations are debating whether or not to facet with Washington in opposition to a Chinese language authorities that has courted the area’s leaders. Only return the topic.
Debate in Eastern European countries over siding with Washington's international marketing campaign to blacklist China's Huawei Technologies Co.