TAIPEI, April 10 (Reuters) – Taiwanese officials are tracking what they view as a worrying rise in Chinese naval activity and military pressure against the island, even as ​Beijing presses a message of  peace and cooperation  in meetings with Taiwan’s opposition leader. China’s tactics are all the more unnerving for the Taipei government, given the ‌opposition continues to stymie a defense spending rise that Washington has pushed for. The buildup also comes at a time when the US is focused on