Taiwan’s biggest semiconductor manufacturer has started building a computer-chip factory in Arizona and is hiring U.S. engineers and sending them to Taiwan for training, but the pace of construction will depend on Congress approving federal subsidies, a Taiwanese minister said Tuesday. The message follows similar calls from U.S. chip manufacturers Intel and GlobalFoundries, which last week said that the delay in passing the subsidy legislation is slowing their investments in new factories in Ohio and New York.A global shortage of semiconductors has prompted a scramble by many countries, including the United States, to build more chip manufacturing facilities. In May...