The phrase "added making it difficult" is not correct in written English as it lacks clarity and proper structure.
It could be used in a context where you want to describe an addition that complicates a situation, but it needs rephrasing for clarity.
Example: "The new regulations were added, making it difficult for small businesses to comply."
Alternatives: "which complicated matters" or "resulting in difficulties".
Access to the village had been blocked, he added, making it difficult for rescue services to get through by road.
But some savings will come from increased manufacturing efficiencies as the production rate grows, they added, making it difficult to quantify how much can be attributed to Mr. Trump's prodding.
"Too many states" are doing energy-efficiency pilot projects without properly measuring the results," he added, making it difficult for scientists to make use of their efforts.
Pensions could be cut for current employees only if an equivalent benefit were added, making it difficult for governments to cut costs.
The isolated nature of these threats, Kay added, makes it difficult for law enforcement to stop attacks before they happen.
The independence of both institutes, it adds, "makes it difficult if not impossible for the dean to resolve disagreements between the units".
America's oil dependence, he added, "makes it more difficult for us to shape a foreign policy that is intelligent and is creating security for the long term".
Men are also less connected to the health care system and often migrate for work, he adds, making it more difficult to help those who know they are infected fully suppress the virus.
That, he added, makes it even more difficult to deal with corruption, the subject of my latest Letter from Europe.
However, the temporal dispersion of BOLD fMRI activity resulted in responses to successive stimuli adding together, making it difficult to perform rapid event-related paradigms using fMRI.
Furthermore, reading the microphones in serial instead of parallel would create an inherent delay added asymmetrically to the microphones, making it difficult to triangulate the source of the microphone.
